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DIAMANT
Hainschwang T., Fritsch E., Rondeau B., Notari F. (2011) A
new defect center in type Ib diamond inducing one phonon infrared
absorption: the Y center. Diamond
& Related Materials, disponible en ligne depuis
nov 2011.
Sautter V., Lorand J.-P., Cordier P., Rondeau B., Leroux H., Ferraris
C., Pont S. (2011) Petrogenesis of
mineral micro inclusions in an
unusual carbonado. European
Journal
of Mineralogy, vol. 23, pp. 721-729.
Karampelas S., Hardy P., Fritsch E. (2010) A
large hydrogen-rich diamond with a cuboid phantom. Gems & Gemology , Vol
46, n°1, pp. 64-65.
Fritsch E., Notari F., Grobon Caplan C., Hainschwang T. (2009) Letter to the Editor: More on the fluorescence cage. Gems & Gemology, Vol. 45-4, pp. 235
Gaillou E., Fritsch E., Notari F. (2008) Photoinduced H1b and H1c centers in some
natural treated diamonds. Diamond
& Related
Materials, vol. 17, pp. 2029-2036.
Rondeau B., Sautter V., Barjon J. (2008)
New
columnar texture of carbonado: cathodoluminescence study. Diamond
& Related
Materials, vol. 17, pp. 1897-1901.
Hainschwang T., Notari F., Fritsch E., Massi
L., Rondeau B., Breeding
C.M., Vollstaedt H. (2008)
HPHT treatment of CO2 containing and
CO2-related brown diamonds. Diamond
& Related
Materials, vol.
17, pp. 340-351.
Rondeau B., Fritsch E., Notari F. (2007) Gem
News International:
Spurious “spiral phantom” in diamond. Gems
& Gemology, vol. 43, n°3, pp. 253-254.
Rondeau B. (2007) Letter to the
Editor: Proper terminology for diamond
morphology. Gems
& Gemology, vol. 43 n°2, pp. 96-97.
Fritsch E., Massi L. Rossman G.R.,
Hainschwang T., Jobic S., Dessapt R.
(2007)
Thermochromic and photochromic behaviour of «
chameleon » diamonds. Diamond
and Related Materials
Vol. 16,
pp. 401-408.
Fritsch E., Hainschwang T., Massi L.,
Rondeau B. (2007)
Hydrogen-related optical centers in natural diamonds: an update.
New
Diamond and Frontier Carbon Technology, vol. 17,
n°2, pp.
63-89.
Fritsch E., Rondeau B., Hainschwang T.,
Quellier M.-H. (2007)
A
contribution to the understanding of pink color in diamond: the unique,
historical “Grand Condé”. Diamond
& Related Materials, vol. 16, pp. 1471-1474.
Rondeau B., Fritsch E., Moore M., Thomassot
E., Sirakian J.-F. (2007)
On the growth of natural octahedral diamond upon a fibrous core.
Journal of Crystal Growth,
vol. 304, pp. 287-293.
Singbamroong S. Fritsch E.(2006) Gem
News International: Black diamond with unusual growth structures.
Gems & Gemology,
vol. 42, n°1, pp. 73-74.
Hainschwang T., Notari F., Fritsch E., Massi
L.(2006)
Natural,
untreated diamonds showing the A, B and C infrared absorptions
(« ABC diamonds »), and the H2 absorption.
Diamond
and Related Materials, Vol.15, pp.1555-1564.
Massi L., Fritsch E., Rossman G., Hainschwang T., Jobic S., Dessapt R.
(2006) Chameleon diamonds: a proposed
model to explain thermochromic
and photochromic behaviors. Gems
& Gemology, Vol. 42, No. 3,
pp. 101-102
Hainschwang T., Fritsch E., Massi L., Breeding C.M., Rondeau B. (2006) Natural
“CO2-rich” colored diamonds. Gems &
Gemology, vol.42, n°3, p. 97. Rondeau B., Fritsch
E. (2006)
Some open questions on diamond morphology. Gems
& Gemology,
vol.42, n°3, pp. 109-110.
Fritsch E., Rondeau B., Notari F. (2006)
Cleavage resistance of
plastically deformed natural diamonds revealed by dissolved planar
features. Diamond and
Related Materials, vol. 15,
n°9, pp.
1310-1313.
Chalain J.-P., Rondeau B. (2006)
Three
Historical, "Asteriated",
Hydrogen-Rich Diamonds: Growth History and Sector-Dependent Impurity
Incorporation, extended abstract. Journal
of the Gemmological
Association of Hong Kong, vol. 27, pp. 13-15.
Rondeau B., Fritsch E., Moore M., Sirakian
J.-F. (2006)
Morfologia del
diamante : combinazione di diversi modi di crescita, i diamanti
« coated » e i diamanti asteriati. Rivista
Gemmologica Italiana, vol. 1, n°1, pp. 19-24.
Fritsch E. (2005) More on
spectroscopy of yellow diamonds. Gems
& Gemology, Vol. 41, No. 4, pp. 297.
Massi L., Fritsch E., Collins A.T.,
Hainschwang T., Notari F. (2005)
The « amber centres » and their relation to the
brown colour in diamond. Diamond
and Related Materials, Vol.
14, pp.
1623-1629.
Hainschwang T., Simic D., Fritsch E., Deljanin B., Woodring S., Delre
R. (2005) A
gemological study of a
collection of chameleon diamonds. Gems
& Gemology,
Vol. 41, No. 1, pp. 20-35.
Fritsch E., Moore M., Rondeau B., Waggett R.
(2005)
X-ray topography of
a natural twinned diamond of unusual pseudo-tetrahedral morphology.
Journal of Crystal Growth,
vol.280, n°1-2, pp. 279-285.
Rondeau B., Fritsch E., Moore M., Sirakian
J.-F. (2005)
Morphologie du
diamant : combinaison de plusieurs modes de croissance. Les diamants
"coated" et les diamants astériés. Revue de
Gemmologie a.f.g., n°154, pp. 13-17.
Rondeau B., Fritsch E., Moore M., Sirakian
J.-F. (2005)
Diamants
cubiques ou presque cubiques : quelques définitions utiles
sur la morphologie. Revue
de Gemmologie a.f.g.,
n°153, pp.
13-16.
Rondeau B., Fritsch E., Guiraud M., Chalain
J.-P., Notari F. (2004)
Three historical "asteriated" hydrogen-rich diamonds : growth history
and sector-dependent impurity incorporation. Diamond and
Related
Materials, vol. 13, n°9, pp. 1658-1673.
Fritsch E., Notari F., Respinger A., Grobon C. (2004) An exceptional
chameleon diamond. Dans "In
the
Kingdom of Diamonds", H. Bari
éditeur, National Natural History Museum, Doha, Qatar, pp.
29-34.
Deljanin B., Hainschwang T. & Fritsch E. (2003) Update on study
of CVD diamonds. Jewellery
News Asia,
No. 231, pp. 134-139.
Fritsch E., J.E. Shigley (2002) Des
diamants bien traités.
Dossier Hors Série Pour
la Science «; les diamants
» Avril/Juin 2002, pp. 78-83.
Fritsch E., J.E. Shigley (2002) La
couleur des diamants. Dossier Hors
Série Pour la Science
«; les diamants
»Avril/Juin 2002, pp. 84-91.
Fritsch E., J.E. Shigley, S.F. McClure (2002) Gemmologie
du diamant:
nouvelles du front. Revue
de
gemmologie a.f.g., No. 145-146, pp. 22-24.
Parodi G.C., Fritsch E. (2002) Natura
del diamante (en italien), Dans
"Diamanti : Arte, Storia, Scienza ",
De Luca editori d’Arte,
Rome, pp. 48-60.
Parodi G.C., Fritsch E. (2002) Gemmologia
pratica del diamante (en
italien), Dans "Diamanti : Arte,
Storia, Scienza", De Luca editori
d’Arte, Rome, pp. 61-65.
Chalain J.P., Fritsch E., Hänni H.A. (2001) Diamants de type
IIa et traitement HPHT : Identification. Revue
de gemmologie a.f.g.,
No. 141-142, pp. 50-53.
Fritsch E., Deljanin B. (2001) Les
diamants de type I
traités à HPHT : Novatek, General Electric,
russes et suédois. Revue
de gemmologie a.f.g., No. 141-142,
pp. 54-57.
Chalain J.-P., Hänni H.A., Fritsch E. (2001) Detection of
GEPOL treated diamonds. The
Singaporean Gemologist, Vol. 8, No. 1, pp.
9-10.
Fritsch E. (2001) La gemmologie du
diamant. Bulletin
de liaison de la
Société Française de
Minéralogie Cristallographie, Vol. 123, No. 2,
pp. 31-37.
Fritsch E. (2001) Diamants:
au
coeur de la Terre, au coeur des
étoiles, au coeur du pouvoir.
Résumé
d’exposition. Universalia 2001. Encyclopedia Universalis,
Paris.
Bari H., Fritsch E. (2001) Histoires
naturelles du diamant. Dans
"Diamants. Au coeur de la terre, au
coeur des étoiles, au
coeur du pouvoir". Adam Biro Editeur, Paris, pp.20-43.
Traduit en
anglais dans "Diamonds, in the heart of the Earth, in the heart of
stars, at the heart of power" (2001), Vilo – Adam Biro,
Paris, pp. 20-43.
Fritsch E. (2001) Tous les diamants
ne sont pas égaux, ou
gemmologie du diamant. Dans "Diamants.
Au coeur de la terre, au coeur
des étoiles, au coeur du pouvoir". Adam Biro
Editeur, Paris,
pp.160-175. Traduit en anglais dans "Diamonds, in the heart of the
Earth, in the heart of stars, at the heart of power" (2001), Vilo
– Adam Biro, Paris, pp. 160-175.
Deljanin B., Fritsch E. (2001) Another
diamond type is susceptible to
HPHT: rare type IaB diamonds are targeted. Professional
Jeweler,
Octobre 2001, pp. 26-29.
Fritsch E., Chalain J.-P., Hänni H. (2001) Identification of
GEPOL diamonds, Australian
Gemmologist, Vol. 21, No. 4, pp. 172-177.
Chalain J.-P., Fritsch E., Hänni H.A. (2000) Identification of
GEPOL diamonds: a second step. Journal
of Gemmology, Vol. 27, No. 2,
pp. 73-78.
Hänni H., Chalain J.-P., Fritsch E. (2000) New spectral
evidence for GEPOL diamond detection. Gems
& Gemology, Vol. 36,
No. 2, pp. 96-97.
Chalain J.-P., Fritsch E., Hänni H.A. (2000) Zur Bestimmung
von GEPOL diamanten: erste Erkenntnisse. Zeitschrift
der Deutschen
Gemmologischen Gesellschaft, Vol. 49, No. 1, pp. 19-30.
Chalain J.-P., Fritsch E., Hänni H.A. (2000) Identification
des diamants GEPOL : deuxième étape.
Revue de
gemmologie a.f.g., No. 138-139, pp. 24-29.
Chalain J.-P., Fritsch E., Hänni H.A. (1999) Détection des
diamants GEPOL : une première
étape. Revue
de
gemmologie a.f.g., No. 138-139, pp. 24-29.
Traduit en anglais « Detection of GEPOL diamonds, a first
stage », idem, pp. 30-33.
Shigley J.E., Fritsch E. (1999) Synthetic
gem diamonds and their
gemological identification. Dans "Science
& Technology of
Diamond", Editeur G.S. Bhatnagar, Cambridge International
Science
Publishing, Cambridge, U.K., pp. 77-93.
Maclear R.D., Connell S.H., Doyle B.P.,
Machi I.Z., Butler J.E.,
Sellschop J.P.F., Naidoo S.R., Fritsch E. (1998)
Quantitative trace
hydrogen distributions in natural diamond using 3D-micro-ERDA
microscopy. Nuclear
Instruments and Methods in Physics
Research B, Vol.
136-138, pp. 579-582.
Reinitz I.M., Fritsch E., Shigley J.E.
(1998)
An oscillating visible
light optical center in some natural green to yellow diamonds.
Diamond
and Related Materials, Vol. 7, pp. 313-316.
Fritsch E. (1998) Une
journée diamant exceptionelle. Revue
de gemmologie a.f.g. No. 133, pp. 7-9.
Fritsch E. (1998) The nature of color
in diamonds. Dans "The
nature of
diamonds", Editeur G. Harlow, American Museum of Natural
History et
Cambridge University Press, Cambridge, Grande-Bretagne, pp. 23-47.
Fritsch E., Shigley J.E., Park J.-K., Moon M. (1997) Synthesis
technology for single crystal diamond and distinction methods of
artificially synthesized diamond from natural diamond (en
coréen). Analytical
Science and Technology, Vol. 10, No. 4,
pp. 73A-80A
Shigley J.E., Moses T.M., Reinitz I., Elen S., McClure S.F., Fritsch E.
(1997) Gemological
properties of near
colorless synthetic diamonds. Gems
& Gemology,
Vol. 33, No. 1, pp. 42-53.
Troisième prix, Dr. Edward J. Gübelin most valuable
article award, Gems & Gemology
Lenef A., Brown S.W., Redman D.A., Rand S.C., Shigley J.E. and Fritsch
E. (1996) Electronic structure of the
N-V center in diamond:
Experiments. Physical
Review B,
Vol. 53, No. 20, pp. 13427-13440.
Fritsch E. (1996) Diamant : formes
ordinaires et extraordinaires. Bulletin
de l’A.MI.S.,
No. 17, pp. 3-12.
Fritsch E., Shigley J.E., Moses T., Rossman G.R., Zucker B., Balfour I.
(1995) "A Green Diamond".
Editeur D.J. Content, W.S. Maney &
Son Ltd., Leeds, Grande-Bretagne, 42 pages.
Shigley J.E., Fritsch E., Reinitz I., Moses T.M.(1995) A chart for
the
separation of natural and synthetic diamonds. Gems
& Gemology,
Vol. 31, No. 4, pp.256-264. Deuxième prix, Most valuable
article of the year award, Gems & Gemology.
Shigley J.E., Fritsch E., Koivula J.I. Kammerling R.C. (1995) Identifying features of
synthetic diamonds. Rapaport
Diamond Report.
Vol. 18, No. 20, pp. 4-5 et supplément couleur.
Kammerling R.C, Crowningshield R., Reinitz I., Fritsch E. (1995) Separating natural pinks from
their treated counterparts. Diamond
World
Review, No. 88, pp. 86-89.
Kammerling R.C., McClure S.F., Johnson M.L., Koivula J.I., Moses T.,
Fritsch E., Shigley J.E.(1994) An
update on filled diamonds;
Identification and durability. Gems
& Gemology, vol. 30, no. 3,
pp. 142-177.
Gorton A., Fritsch E. (1994) Identifying
Russian synthetic diamonds. The
Journal of the
Gemmological Association of Hong Kong, Vol. XVII,
pp. 57-62.
Fritsch E., Shigley J.E. (1993) The
separation of natural from
synthetic gem-quality diamonds on the basis of crystal growth criteria.
Journal of Crystal Growth,
Vol. 128, pp. 425-428.
Rooney M.L.-T., Welbourn C.M., Shigley J.E., Fritsch E., Reinitz I.
(1993) DeBeers
near-colorless to blue
experimental synthetic diamonds. Gems
& Gemology,
Vol. 29, No. 1, pp. 38-45.
Fritsch E., Phelps A. (1993) Type IIb
diamond thin films deposited onto
near-colorless natural gem diamonds. Diamond
and Related Materials.
Vol. 2, Nos. 2-4, pp. 70-74.
Moses T.M., Reinitz I., Fritsch E., Shigley J.E. (1993) Two
treated-color synthetic red diamonds seen in the trade.
Gems &
Gemology, Vol. 29, No. 3, pp. 182-190.
Shigley J.E., Fritsch E., Reinitz I. (1993) .
Gems &
Gemology, Vol. 29, No. 3, pp. 191-197.
Shigley J.E., Fritsch E., Koivula J.I., Sobolev N.V., Malinovsky
I.Y., Pal’yanov Y.N. (1993) The
gemological properties of
Russian gem-quality synthetic yellow diamonds. Gems
& Gemology,
Vol. 29, No. 4, pp. 228-249.
Shigley J.E., Fritsch E. (1993) A
notable red-brown diamond. Journal
of
Gemmology, Vol. 23, No. 5, pp. 259-266.
Shigley J.E., Fritsch E., Kammerling R.C., Moses T.M. (1993) Identifying faceted gem-quality
synthetic diamonds. Rapaport
Diamond
Report, Vol. 16, No. 26, pp. 10-13.
Fritsch E., Scarratt K. (1993) Gemmological
properties of type Ia
diamonds with an unusually high hydrogen content. Journal of Gemmology,
Vol. 23, No. 8, pp. 15-24.
Shigley J.E., Fritsch E., Kammerling R.C., Moses T.M. (1993) Identifying faceted gem-quality
synthetic diamonds. New
York Diamonds,
No. 22, pp. 48-54.
Shigley J.E., Fritsch E., Kammerling R.C., Moses T.M.(1993) Gemological
means described to detect synthetic diamonds. Diamond
World Review, No.
77, pp. 42-50.
Fritsch E. (1992) . Proceedings
of the
International Gemological Symposium 1991
- Facing the Future, Ed. A. Keller, GIA, Santa Monica, CA,
USA, pp. 44.
GIA Research (1992) Extremely rare
unmounted circular-cut fancy bluish
green diamond. Christie's. Magnificent
Jewels. No. 7522. pp. 204.
Fritsch E., Scarratt K. (1992) Natural-color
nonconductive gray-to-blue
diamonds. Gems
& Gemology,
Vol. 28, No. 1, pp. 35-42.
Shigley J.E., Fritsch E., Reinitz I., Moon M. (1992) An update
on
Sumitomo gem-quality synthetic diamonds. Gems
& Gemology, Vol.
28, No. 2, pp. 116-123.
Fritsch E., Scarratt K., Collins A.T. (1991) Optical
properties of
diamonds with an unusually high hydrogen content. Materials Research
Society International Conference Proceedings. Second
International
Conference on New Diamond Science and Technology, Washington D.C.,
September 23-27. Editors R. Messier, J.T. Glass, J.E. Butler, R. Roy.
Materials Research Society, Pittsburgh, PA, pp. 671-676.
Fritsch E., Shigley J.E. (1991) Properties
of some natural-color and
laboratory-irradiated green to blue diamonds. Materials
Research
Society International Conference Proceedings. Second
International
Conference on New Diamond Science and Technology, Washington D.C.,
September 23-27. Editors R. Messier, J.T. Glass, J.E. Butler, R. Roy.
Materials Research Society, Pittsburgh, PA, pp. 677-681
Fritsch E., Shigley J.E. (1990) Green
diamonds suddenly not so rare. Jewellery
News Asia,
No. 70, pp. 110, 114 and 116.
Fritsch E., Shigley J., Stockton C., Koivula J. (1990) Criteria to tell
natural from treated greens can be wrong. Jewellery
News Asia, No. 71,
pp. 118, 120, 122, 124.
Shigley J.E., Fritsch E. (1990) Color
zones can indicate laboratory
irradiation. New York
Diamonds,
No. 11, pp. 74 & 82.
Shigley J.E., Fritsch E. (1989) Irradiated
diamond detectable by color
zoning. (en japonais) Tokyo
Diamonds,
pp. 100 & 102.
Koivula J.I., Kammerling R.C., Fritsch E., Fryer C.W., Hargett D., Kane
R.E. (1989) The
characteristics and
identification of filled diamonds. Gems & Gemology,
Vol. 25, No. 2, pp. 68-83. Premier prix, Most
valuable article of the year award, Gems & Gemology.
Fritsch E., Conner L., Koivula J.I. (1989) A
preliminary gemological
study of synthetic diamond thin films. Gems
& Gemology, Vol.
25, No. 2, pp. 84-90.
Fritsch E., Shigley J.E. (1989) Contribution
to the identification of
treated colored diamonds: diamonds with peculiar color-zoned
pavilions. Gems
& Gemology,
Vol. 25, No. 2, pp. 95-101.
Fritsch E., Shigley J.E., Stockton C.M., Koivula J.I. (1988) Detection
of treatment in two unusual green diamonds. Gems
& Gemology,
Vol. 24, No. 3, pp. 165-168.
Fritsch E. (1987) A red diamond in
New York. Christie's
Review of the
Season 1987, Mark Wrey and Susanna Spicer editors,
Phaidon-Christie's,
Oxford, pp. 282-283.
Shigley J.E., Fritsch E., Stockton C.M., Koivula J.M., Fryer C.W., Kane
R.E. (1987) Les diamants
synthétiques Sumitomo. Revue
de
Gemmologie a.f.g., Vol. 92, pp. 10-14.
Shigley J.E., Fritsch E., Stockton C.M., Koivula J.I., Fryer C.W., Kane
R.E., Hargett D.R., Welch C.W. (1987) The
gemological properties of the
De Beers gem-quality synthetic diamonds. Gems
and Gemology, Vol. 23,
No.4, pp.187-206.
Shigley J.E., Fritsch E., Stockton C.M., Koivula J.I., Fryer C.W., Kane
R.E. (1986) The
gemological
properties of the Sumitomo gem-quality
synthetic yellow diamonds. Gems
and
Gemology, Vol. 22, No. 4, pp.
192-208.
OPALE
Rondeau B., Fritsch E., Bodeur Y., Mazzero F., Cenki T., Bekele E.,
Ayalew D., Gauthier J.-P. (2011) Play-of-color
opal at Wegel-Tena, Wollo, Ethiopia. In Color, vol. 17, n°3,
pp. 2-13.
Rondeau B., Fritsch E., Mazzero F., Ayalew D., Bodeur Y. (2011) Amazing
play-of-color opals from Wollo, Ethiopia; toward a pedogenetic model.
Gems & Gemology,
vol. 47,
n°2, p 112.
Rondeau B., Fritsch E., Mazzero F., Gauthier J.-P. (2011) Gem News
International: Sugar-acid treatment of opal from Wollo, Ethiopia.
Gems & Gemology,
vol. 47,
n°4, pp. XXXXX.
Mazzero F., Désagulier C., Rondeau B., Ayalew D., Ezezew G., Cenki T., Bekele E. (2010) L’opale du Wollo, Ethiopie : des mines de gisements. Revue de gemmologie a.f.g., vol. 174, pp. 14-20.
Rondeau B., Fritsch E., Gauthier J.-P., Mazzero F., Cenki-Tok B.,
Bekele E., Gaillou E. (2010) Play-of-color opal at
Wegel Tena, Wollo, Ethiopia. Gems
& Gemology, vol. 46,
n°2, pp. 90-105.
Fritsch E., Gaillou E., Massuyeau F., Rondeau B. (2010) Luminescence of opals: a witness to their
geochemistry. Geochimica
et Cosmochimica Acta, vol. 74, n°12, p. A307.
Rondeau B., Fritsch E., Cenki-Tok B., Mazzero F. (2010) New opals from Wollo, Ethiopia: geochemical
characterization. Geochimica
et Cosmochimica Acta, vol.74, n°12, p. A880.
Tay T.-S., Mok P.C., Paul S.L., Paramita M., Arps C.E.S., Atichat W., Fritsch E., Kang W.W., Wijaya K. (2009) Precious opal from Java : Gemmological properties, macro- and nano-structures. The Australian Gemmologist, vol. 23, pp. 513-528.
Fritsch E., Lulzac Y., Rondeau B. (2009) Gem
News International: Common opal from Argentina. Gems & Gemology, vol.
45, n°3, pp. 220-221.
Fritsch E., Feydieu C., Fauran J., Lulzac Y., Rondeau B. (2009) Gem News International: A chalcedony-opal
cameo with remarkable inclusions. Gems
& Gemology, vol. 45, n°2, pp. 143-144.
Fritsch E., Rondeau B. (2009) Gem
News International: Rare optical phenomenon in play-of-color opal.
Gems & Gemology,
vol. 45, n°2, pp. 147-148.
Fritsch E., Feydieu C., Fauran J., Lulzac Y., Rondeau B. (2009) Un
camée exceptionnel d’opale et de
calcédoine. Revue
de Gemmologie a.f.g., vol. 168, pp. 4-7.
Mazzero F., Gauthier J.-P., Rondeau B., Fritsch E., Bekele E. (2009) Nuovi giacimenti di opale etiope nella provincia di Welo : prima informazioni. Rivista Gemmologica Italiana, Vol. 4, No. 2, pp. 85-89.
Mazzero F., Gauthier J.-P., Rondeau B. , Fritsch E., Bekele E. (2009) Nouveau gisement d'opales d'Ethiopie dans la
Province du Welo : premières informations. Revue de Gemmologie a.f.g.,
vol. 167, pp 4-5.
Rondeau B., Mazzero F., Bekele E., Gauthier J.-P., Fritsch E. (2009) Gem News International: New play-of-color opal
from Welo, Ethiopia. Gems
& Gemology, vol. 45, n°1, pp. 59-60.
Gauthier J.-P., Mazzero F., Mandaba Y., Fritsch E. (2008) L’opale Etiopie : gemmologia ordinaria e caratteristiche eccezionali. Rivista Gemmologica Italiana Vol. 3, No. 2, pp. 85-96.
Gaillou E., Fritsch E., Rondeau B., Aguilar-Reyes B., Barreau A.,
Ostroumov M., Post J. (2008) Common gem
opal: An investigation of micro-
to nano-structure. American
Mineralogist, vol. 93, pp.
1865-1873.
Gaillou E., Delaunay A., Rondeau B.,
Bouhnik-le Coz M., Fritsch E.,
Cornen G., Monnier C. (2008)
The geochemistry of opals as an evidence
for their origin. Ore
Geology Reviews, vol. 34, pp.
113-126.
Paris M., Fritsch E., Aguilar-Reyes B.O.
(2007)
1H, 29Si and 27Al NMR
study of the destabilization process of a paracrystalline opal from
Mexico. Journal of
Non-crystalline Solids. Vol. 353, pp.
1650-1656.
Gaillou E., Delaunay A., Fritsch E., Bouhnik-LeCoz M. (2006) Geologic
origin of opals deduced from geochemistry. Gems & Gemology,
Vol. 42, No. 3, pp. 107.
Fritsch E., Gaillou E., Rondeau B., Barreau
A., Albertini D., Ostroumov
M. (2006)
The nanostructure of fire opal. Journal
of Non-Crystalline
Solids, vol. 352, pp. 3957-3960.
Aguilar Reyes B.O, Ostrooumov M., Fritsch E. (2005) Estudio
mineralogico de la desestabilizacion de opalos mexicanos. Revista
Mexicana de Ciencas Geologicas, vol. 22, No. 3, pp.
391-400.
Gauthier J.-P., Fritsch E., Barreau A., Aguilar-Reyes B. &
Lasnier B. (2004) Phase de Laves dans
la première opale CT
bidisperse. Comptes
Rendus de l’Académie des
Sciences – Géosciences, Vol. 336, No.
3, pp.
187-196.
Gauthier J.-P., Mazzero F., Mandaba Y.,
Fritsch E. (2004)
L'opale
d'Ethiopie : gemmologie ordinaire et caractéristiques
exceptionnelles. Revue de
Gemmologie a.f.g., No. 149, pp.
15-23.
Fritsch E., Berthier S. (2004) Les
opales de
coléoptères. Revue de Gemmologie a.f.g., No.
150,
pp. 22-23.
Rondeau B., Fritsch E., Guiraud M., Renac C.
(2004)
Opals from Slovakia
("Hungarian" opals): a re-assessment of the conditions of formation.
European Journal of Mineralogy,
vol. 16, pp. 789-799.
Fritsch
E., Gaillou E., Ostroumov M., Rondeau B. Barreau A. (2004)
Relationship between nanostructure and optical absorption in fibrous
pink opals from Mexico and Peru. European
Journal of
Mineralogy, vol.
16, pp. 743-752.
Fritsch E., Wéry J., Jonusauskas G., et Faulques E. (2003) Transient photoluminescence from
highly disordered silica-rich natural
phases with and without nanostructures. Physics and Chemistry of
Minerals, Vol. 30, No. 7, pp. 393-400.
Gauthier J.-P., Fritsch E. (2003) Une
rareté structurale :
l'opale noble bidisperse. Revue
de Gemmologie a.f.g., No. 148, pp.
32-35.
Fritsch E., Ostrooumov M., Rondeau B., Barreau A., Albertini D., Marie
A.-M., Lasnier B., Wery J. (2002) Mexican
gem opals: nano- and
micro-structure, origin of colour, comparison with other common opals
of gemmological significance. Australian
Gemmologist, vol. 21, pp.
230-233.
Faulques E., Fritsch E., Ostroumov M. (2001) Spectroscopy
of natural
silica-rich glasses. Journal
of Mineralogical and Petrological
Sciences, Vol. 96, pp. 120-128
Fritsch E., Mihut L., Baibarac M., Baltog I., Ostrooumov M., Lefrant
S., Wery J. (2001) Luminescence of
oxidized porous silicon :
surface-induced emissions from disordered silica micro- to
nano-structures. Journal
of Applied Physics, Vol. 90, No. 9, pp.
4777-4782.
Fritsch E., Wery J., Ostrooumov M. (1999) Classification
of gem opals
using Raman spectroscopy. Gems
& Gemology, Vol. 30, No. 3, pp.
145.
Ostrooumov M., Fritsch E., Lasnier B., Lefrant S. (1999) Spectres Raman
des opales : aspect diagnostique et aide à la
classification. European
Journal of Mineralogy, Vol. 11, pp. 899-908.
Fritsch E., Lasnier B., Ostrooumov M., Wery J. (1999) Classification of
gem opals using Raman spectroscopy. Indian Gemmologist, Vol. VIII,
pp.
39-40.
Ostroumov M., Fritsch E., Lefrant S. (1999) Primeros
datos sobre la
espectrometria Raman de los opalos. Revista Mexicana de Ciencias
Geologicas, Vol. 16, No. 1, pp. 73-80.
Fritsch E., Rondeau B., Ostrooumov M.,
Lasnier B., Marie A.M., Barreau
A., Wery J., Connoué J., Lefrant S. (1999)
Découvertes récentes sur l’opale.
Revue
de gemmologie a.f.g. vol. 138/139, pp. 34-40.
Marie A.-M., Ostrooumov M., Wery J., Fritsch E., Lasnier B., Lefrant S.
(1998) Electron microscopy of common
opal structure. Electron
Microscopy 98, Symposium II, Vol. IV, pp.145-146.
EMERAUDE
Rondeau B., Fritsch E., Peucat J.-J.,
Nordrum F.S., Groat L.A. (2008)
Characterization of emeralds from a
historical deposit: Byrud (Eidsvoll), Norway. Gems &
Gemology,
vol. 44, n°2, pp.108-122.
Fritsch E. (2003) Gem News
International: Emeralds from Madagascar with strong blue/green dichroism.
Gems & Gemology,
vol. 39, n°4, pp. 331.
Rondeau B., Notari F., Giuliani G., Michelou
J.-C., Martins S., Fritsch
E., Respinger A. (2003)
La mine de Piteiras, Minas Gerais, nouvelle
source d'émeraude de belle qualité au
Brésil. Revue
de Gemmologie a.f.g., n°148,
pp. 9-25.
Fritsch E., Rondeau B., Notari F., Michelou
J.-C., Devouard B., Peucat
J.-J., Chalain J.-P., Lulzac Y., De Narvaez D., Arboleda C. (2002)
Les
nouvelles mines d'émeraude de La Pita (Colombie), 2nde
partie. Revue de Gemmologie a.f.g. n° 144, pp. 13-19.
Notari F., Grobon C., Fritsch E. (2002) Observation
des
émeraudes traitées en luminescence UVISIO. Quelle
mention attribuer aux émeraudes après suppression
des résines synthétiques de leurs fissures ?
Revue de gemmologie a.f.g.,
No.
144, pp. 27-31.
Giuliani G., Chaussidon M., Schubnel H.-J., Piat D., Rollion-Bard C.,
France-Lanord C., Giard D., De Narvaez D., Rondeau B. (2000) Oxygen
isotopes and Emerald Trade Routes since Antiquity. Science, vol. 287,
pp. 631-633.
Giuliani G., Chaussidon M., Schubnel H.-J.,
Piat D.,
Rollion-Bard C., France-Lanord C., Giard D., De Narvaez D., Rondeau B.
(2000)
Historique des gisements d'émeraude et identification
des
émeraudes anciennes (seconde partie). Revue
de gemmologie
a.f.g.,
vol. 140, pp. 32-35.
Fritsch E., Maitrallet P., Hemond G., Lasnier B., Notari F., Froyer G.,
Louarn G. (1999) Première
caractérisation du
Permasafe, nouveau matériau de remplissage des fractures
utilisé pour les émeraudes. Revue de gemmologie
a.f.g. ,No. 136, pp. 44-46.
Giuliani G., Chaussidon M., Schubnel H.-J.,
Piat D., Rollion-Bard C.,
France-Lanord C., Giard D., De Narvaez D., Rondeau B. (1999)
Historique
des gisements d'émeraude et identification des
émeraudes anciennes (première partie). Revue
de gemmologie a.f.g.,
vol.
138-139, pp. 22-23.
Fritsch E., Moon M., Wu S.T., Liu Y., Park J.-S. (1998) Les nouvelles
émeraudes synthétiques d’Asie:
émeraude synthétique hydrothermale chinoise,
émeraudes synthétiques par dissolution anhydre
coréenne et taïwanaise. Dans
« l’Emeraude
», Editeur D. Giard,
coéditeurs G. Giuliani, A. Cheilletz, E. Fritsch et E.
Gonthier, Association Française de Gemmologie, Paris,
France, pp. 131-138.
Spiesser M., Fritsch E. (1998) Découverte
du chrome et du
béryllium dans l’émeraude par
Nicolas-Louis Vauquelin - 200e anniversaire. Revue
de gemmologie
a.f.g., numéro spécial «
l’Emeraude », Nos. 134-135, pp. 43-46. Egalement
dans le livre « L’Emeraude
», voir ci
dessus, pp. 43-46.
D. Giard (Editeur), G. Giuliani, A. Cheilletz, E. Fritsch et E.
Gonthier (coéditeurs) "L’émeraude",
(1998), Association Française de Gemmologie, Paris, France.
235 pages.
Koivula J.-I., Kammerling R.C., DeGhionno D.G., Reinitz I., Fritsch E.,
Johnson M.L.(1996) Gemological
investigation of a new type of Russian
hydrothermal synthetic emerald. Gems
& Gemology ,Vol. 32, No.
1, pp. 32-39. Troisième prix, Most valuable article of the
year award, Gems & Gemology.
Fritsch E., Kammerling R.C., Koivula J.I. (1995) An
examination of
Swarogreen - a new imitation emerald from Austria. The Australian
Gemmologist. Vol. 19, No. 1, pp.15-18.
Kammerling R.C., Koivula J.I., Kane R.E., Maddison P., Shigley J.E.,
Fritsch E. (1991) Fracture
filling of
emeralds: Opticon and
traditional « oils ». Gems
& Gemology, Vol.
27, No. 2, pp. 70-85.
Robert D., Fritsch E., Koivula J.I. (1990) «
Emeraldolite
»: a new synthetic emerald overgrowth on natural beryl.
Gems
& Gemology, Vol. 26, No. 4, pp. 288-293.
Koivula J.I., Kammerling R.C., Fritsch E. (1990) Gemmological
description of a glass imitation emerald from Zambia. The South African
Gemmologist, Vol.4, No. 2, pp. 7-13.
Kammerling R.C., Koivula J.I., Fritsch E. (1989) An
unusual assembled
"emerald" crystal from Brazil. The
Canadian Gemmologist, Vol. 10, No. 2,
pp. 36-43.
CORINDON
Fritsch E., Chatagnier P.-Y., Rondeau B., Karampelas S., Gaillou E.
(2011) Gem News International: An
accidental corundum and lead glass
triplet? Gems
& Gemology,
vol. 47, n°3, pp. 251-252.
Devouard B., Médard E., Rondeau B., Fritsch E. (2010) Gem
News International: Rediscovery of sapphires in Central France. Gems & Gemology , vol. 46, n°4, pp. 320-321.
Rondeau B., Fritsch E. (2010) La morphologie du corindon. Le Règne Minéral, vol. 93, pp. 24-27.
Giuliani G., Lasnier B., Ohnenstetter D., Fallick A.E., Pegere G. (2010) Les gisements de corindon de France. Le Règne Minéral, vol. 93, pp. 5-23.
Simonet C., Fritsch E., Lasnier B. (2008)
A
classification of gem corundum deposits aimed towards gem exploration.
Ore Geology Reviews,
vol. 34, pp. 127-133.
Peucat J.-J., Ruffault P., Fritsch E.,
Simonet C., Lasnier B., Bouhnik
Le Coz M. (2007)
Ga/Mg ratio as a new geochemical tool to differentiate
magmatic from metamorphic blue sapphires. Lithos, vol. 98,
pp. 261-274.
Peucat J.-J., Ruffault P., Fritsch E., Simonet C., Lasnier B., Bouhnik
Le Coz M. (2005) Un nouvel outil de
reconnaissance des saphirs bleus
basaltiques et métamorphiques : le rapport Ga/Mg.
Revue de
gemmologie a.f.g., No. 153, pp. 8-12.
Simonet C., Paquette J.-L., Pin C., Lasnier
B., Fritsch E. (2004)
The
Dusi (Garba Tula) sapphire deposit, Central Kenya – a unique
Panafrican corundum-bearing monzonite. Journal of African
Earth
Sciences, Vol. 38, pp. 401-410.
Fritsch E., Chalain J.-P., Hänni H., Devouard B., Chazot G.,
Giuliani G., Schwarz D., Rollion-Bard C., Garnier V., Barda S.,
Ohnenstetter D., Notari F., Maitrallet P. (2003) Le
nouveau traitement
produisant des couleurs orange à jaune dans les saphirs.
Revue de Gemmologie a.f.g.
,
No. 147, pp. 11-23.
Notari F., Grobon C., Fritsch E. (2003) UV
fluorescence may be an
efficient way to identify Be-diffused corundum. Jewellery News Asia,
No. 229, pp. 80-82-84.
Notari F., Fritsch E., Grobon C. (2003) Comment
l'observation de la
luminescence (fluorescence) peut aider à l'identification
des corindons jaunes, rose orangé et orange,
traités par diffusion du béryllium. Revue de
Gemmologie a.f.g., No. 148, pp. 40-43.
Fritsch E., Notari F., Grobon C. (2003) Checking
sapphires for
beryllium diffusion. Professional
Jeweler, Vol. 6, No. 11, pp. 36-37.
Gaillou E. (2003)
Les saphirs du Massif
Central : Etude minéralogique des saphirs du Sioulot, du
Mont Coupet et du Menoyre - Détermination de leur origine.
Mémoire de DEA,
université de Clermont-Ferrand,
66 pages.
Massi L., Fritsch E. (2001) Les
corindons diffusés. Revue
de
gemmologie a.f.g., No. 141-142, pp. 18-29.
Lasnier B., Simonet C. (2001)
The
sapphirine-ruby connection: new occurrence in an ornamental rock named
"tutti frutti". 28th
International Gemmological Conference -
Spain -
06-08/10/2001.
David C., Fritsch E. (2001). Identification
du traitement thermique
à haute température des corindons par
spectrométrie infra-rouge. Revue
de gemmologie a.f.g., No.
141-142, pp. 27-31.
Elen S., Fritsch E. (1999) The
separation of natural from synthetic
colorless sapphire. Gems
&
Gemology, Vol. 35, No. 1, pp.30-41
Muhlmeister S., Fritsch E., Shigley J.E., Devouard B., Laurs B. (1998) Separating
natural and synthetic rubies on the
basis of trace element
chemistry. Gems
& Gemology,
Vol. 34, No. 2, pp. 80-101.
Troisième prix, Dr. Edward J. Gübelin most valuable
article award, Gems & Gemology
Johnson M.L., Mercer M.E., Fritsch E., Maddison P., Shigley J.E.
(1995) ”Ti-sapphire”:
Czochralski-pulled synthetic
pink sapphire from Union Carbide. Gems
& Gemology, Vol. 31,
No.3, pp. 188-195.
Kammerling R.C., Fritsch E., Koivula J.I. (1995) Swarogem’s
new synthetic ruby with induced fingerprints. Jewellery
News Asia, No.
127, pp. 70-72-74-76.
Kammerling R.C., Koivula J.I., Fritsch E. (1994) An
examination of
Chatham flux grown synthetic pink sapphires. Journal
of Gemmology, Vol.
24, No. 3, pp. 149-154.
Koivula J.I., Kammerling R.C., Fritsch E. (1994) Two
interesting
"double star" sapphires. The
Australian Gemmologist, Vol. 18, No. 7,
pp. 235-236.
McClure S.F., Kammerling R.C., Fritsch E. (1993) Update
on
diffusion-treated corundum, red and other colors.
Gems &
Gemology, Vol. 29, No. 1, pp. 16-29.
Fritsch E., Mercer M. (1993) Blue
color in sapphire caused by
Fe2+/Fe3+ intervalence charge transfer. Gems
& Gemology, Vol.
29, No. 3, pp. 151 et 226.
Kane R.E., Kammerling R.C., Koivula J.I., Shigley J.E., Fritsch E.
(1990) The
identification of blue
diffusion-treated sapphires. Gems
& Gemology, Vol. 26, No. 2, pp. 115-133.
PERLE
Karampelas S., Michel J., Zheng-Cui M., Schwarz J.-O., Enzmann F.,
Fritsch E., Leu L., Krzemnicki M.S. (2010) X-ray computed
microtomography applied to pearls: Methodology, advantages, and
limitations. Gems & Gemology, vol. 46-2, pp. 122-127.
Karampelas S., Gauthier J-P., Fritsch E., Notari F. (2009) Gem News International: Characterization of some pearls of the Pinnidae family. Gems & Gemology, Vol. 45, n° 3, pp. 221-223.
Karampelas S., E. Fritsch, J.-Y. Mevellec, S. Sklavounos, T. Soldatos
(2009). Role of polyenes in the coloration of
cultured freshwater
pearls. European Journal
of Mineralogy,Vol. 21, pp. 85-97.
Karampelas S., Fritsch E., Notari F. (2008) Gem
News International: Natural pearls of the Veneridae family.
Gems & Gemology,
Vol. 44, No. 4, pp. 374-375.
Karampelas S., Fritsch E. (2008) Spectroscopie
de diffusion Raman des perles : identification de la nature de leurs
pigments. Revue de
Gemmologie A.F.G., No.166, pp. 13-17.
Karampelas S., Fritsch E., Mevellec J.-Y.,
Gauthier J.-P., Sklavounos
S., Soldatos T. (2007)
Determination by Raman scattering of the nature
of pigments in cultured freshwater pearls. Journal of Raman
Spectroscopy. Vol. 38, No. 2, pp. 217-230.
Karampelas S., Fritsch E., Sklavounos S.,
Soldatos T. (2007)
Identification of treated-color freshwater cultured pearls. Bulletin of
the Geological Society of Greece, Vol. 27
Karampelas S., Fritsch E. (2007) Identification
des perles de culture
d’eau douce de couleur traitée [en
français et en flamand] Gemline,
n° 68, pp. 11-17.
Karampelas S., Fritsch E., Sklavounos S., Soldatos T. (2006) Identification of pigments in freshwater
cultured pearls with Raman
scattering. Gems
& Gemology,
Vol. 42, No. 3, pp. 99-100.
Scarratt K., Bosshart G., DelRe N., Fritsch E., Jobbins A., King J.,
Zucker B. (1999) « Orange
Pearls » from the Melo
volutes
(Marine Gastropods). A gemological study of a unique collection with
data from other examinations. In The
Pearl and the Dragon, a study of
Vietnamese Pearls and the History of the Oriental Pearl Trade,
Editeur
Derek J. Content, Houlton, Maine, USA, pp. 79-108.
Fritsch E., Misiorowski E.B. (1988) Queen
conch "Pearls": Rare gems
from the Carribean Sea. Sea
Frontiers, Vol. 34, No. 5, pp. 286-291.
Fritsch E., Misiorowski E.B. (1987) The
history and gemology of the
Queen Conch « pearls ». Gems
and Gemology, Vol. 23,
No. 4, pp. 208-221.
QUARTZ
Karampelas S., Fritsch E., Zorba T.,
Paraskevopoulos K.M., Sklavounos
S. (2007)
An update on the separation of natural from synthetic
amethysts. Bulletin of
the Geological Society of Greece, Vol.
27
Karampelas S., Fritsch E., Zorba T., Paraskevopoulos K.M., Sklavounos
S., (2006) A refined infrared-based
criterion for successfully
separating natural from synthetic amethyst. Gems
& Gemology,
Vol. 42, No. 3, pp.155-156
Rondeau B. (2006) Letter to the
Editor: More about Medusa quartz. Gems
& Gemology,
vol. 42, n°2, p. 97.
Karampelas S., Fritsch E., Zorba T.,
Paraskevopoulos K.M., Sklavounos
S. (2005)
Distinguishing natural from synthetic amethysts : the
presence and true shape of the 3595 cm-1 peak. Mineralogy and
Petrology, Vol. 85, pp. 45-52.
Rondeau B., Macri M., Fritsch E. (2005) Gem
News International: „Medusa
quartz“ with gilalite inclusions. Gems & Gemology,
vol. 41, n°3, pp. 271-272.
Hyrsl J., Danet F. Fritsch E. (2005) Gem
News International: Bismuthinite inclusions in rose quartz from
Madagascar. Gems
& Gemology, vol. 41, n°2,
pp. 181-182.
Karampelas S., Fritsch E. (2004) Infrared
absorption as a useful tool
to separate natural from synthetic amethysts. Proc.
Mitt. Osterr.
Mineral. Ges. , 149
Balitsky V.S., Makhina I.B., Prygov V.I., Mar’in A.A.,
Emel’chenko A.G., Fritsch E., McClure S.M., Lu T., DeGhionno
D., Koivula J.I., Shigley J.E. (1998) Russian
synthetic pink quartz. Gems
& Gemology, Vol.
34, No. 1, pp. 34-43.
Balitsky V.S., Makhina I.B., Emel’chenko A.G.,
Mar’in A.A., Shigley J., Fritsch E.,Koivula J. (1996) Formation of rose phosphorus-bearing quartz
and causes of its rarity
nature: an experimental study (en russe). Geochimiya,
No. 11, pp.
1074-1081.
Fritsch E., McClure S.F. (1995) Synthetic
amethyst: Features of new
type from Russia. Jewellery
News
Asia, No. 129, pp. 90-92.
Koivula J.I., Fritsch E. (1989) The
growth of Brazil-twinned synthetic
quartz and the potential for synthetic amethyst twinned on the Brazil
law. Gems
&
Gemology,
Vol. 25, No. 3, pp. 159-164.
Fritsch E., Koivula J.I. (1988) How
to tell natural amethyst. Jewelers'
Circular Keystone, October 1988, pp. 244-248.
Fritsch E., Koivula J.I. (1987) How
to tell if that amethyst is
natural. Jewelers’
Circular-Keystone, July 1987, pp. 323-324.
AUTRES GEMMES
(andésine, axinite, bénitoïte,
béryl ,
chrysobéryl, corail, CZ, gehlenite, grenat, hibonite, jade,
lapis-lazuli,
lazurite,
montebrasite, otolithe, pectolite,
péridot, spinelle, serpentine, staurotide,
tanzanite,
topaze,
tourmaline, turquoise, verre, vésuvianite ...)
Pradat T., Rondeau B., Fritsch E. (2011) Gem
News International:
Chatoyant quartz with cinnabar inclusions. Gems
& Gemology, vol. 47, n°4, pp. XXXXX.
Fritsch E., Ionescu C., Simon V., Nagy S., Nagy-Pora K., Rotea M. (2010) Gem
News International: 5th century garnet jewelry from Romania. Gems & Gemology , vol. 46, n°4, pp.
Hainschwang T., Notari F., Massi L, Armbruster T., Rondeau B., Fritsch
E., Nagashima M. (2010) Hibonite: a
new gem mineral from Myanmar. Gems
& Gemology, vol. 46, n°2, pp. 135-138.
Rondeau B., Mocquet B., Lulzac Y., Fritsch E. (2009) Les nouveau grenats
démantoïdes d’Ambanja, Province
d’Antsiranana, Madagascar. Le Règne Minéral,
vol. 90, pp. 41-46.
Rondeau B., Fritsch E. Mocquet B., Lulzac Y., (2009) Ambanja
(Madagascar)- A new source of gem demantoid garnet.
In Color, summer
2009, pp. 22-24.
Mocquet B., Lulzac Y., Rondeau B., Fritsch E., Le
Quéré J., Mohamady B., Crenn G., Lamiraud C.,
Scalie S. (2009) Ambanja, premier
gisement d'andradite
démantoïde gemme à Madagascar.
Revue de
Gemmologie a.f.g., vol. 169, pp. 4-8.
Mocquet B., Lulzac Y., Fritsch E., Rondeau B. (2009) Traitement Zachery
des turquoises : méthode d’identification simple
fondée sur la microchimie. Revue de Gemmologie a.f.g.,
vol.
168, pp. 4-7.
Rondeau B., Fritsch E., Mocquet B., Lulzac Y. (2009) Gem News International: Some unusual dyed
imitations. Gems
& Gemology, vol. 45, n°1, pp. 74-75.
Karampelas S., Fritsch E., Rondeau B., Andouce A.,
Métivier B. (2009) Identification of the endangered pink-to-red
Stylaster corals by Raman spectroscopy. Gems & Gemology, vol.
45, n°1, pp. 48-52.
Fritsch E. , Karampelas S. (2008) Comment
on: Determination
of canthaxanthin in the red coral (Corallium rubrum) from Marseille by
HPLC combined with UV and MS detection (Cvejic at al. (2007) Mar Biol
152: 855-862). Marine
Biology,
vol. 154, pp. 929-930.
Fritsch E., Karampelas S. (2008)
Comment on
“Determination of carotenoid as the purple pigment
in Gorgonia ventalina sclerites using Raman spectroscopy”
[Leverette et al., Spectrochim. Acta A, 69 (2008) 1058-1061].
Spectrochimica Acta part A:
molecular and biomolecular spectroscopy,
vol. 71, p. 1627.
Fritsch E., Rondeau B., Mocquet B., Lulzac Y. (2008) Gem News
International: “Red andesine” from China: Possible
indication of diffusion treatment. Gems
& Gemology, vol. 44,
n°2, pp. 166-167.
Rondeau B., Fritsch E., Lulzac Y., Mocquet B. (2008) Gem News
International: Unusual Glass Imitation of Rubellite. Gems &
Gemology, vol. 44, n°2, pp. 186-187.
Fritsch E., Lulzac Y., Rondeau B., (2008) Gem
News International:
Tourmalines and their imitations obtained in Kandahar, Afghanistan.
Gems & Gemology,
vol.
44, n°2, pp. 187-188.
Arlabosse J.-M., Rondeau B., Fritsch E. (2008) Gem
News International:
A blue manganaxinite. Gems
& Gemology, vol. 44, n°1, p.
81.
Karampelas S., Gaillou E., Fritsch E., Duman M. (2007) Gem News
International : Color-zoned andradite from Iran, with calcite
inclusions. Gems
& Gemology, vol. 43, n°1, pp. 65-67.
Devouard B., Devidal J.-L., Lulzac Y., Fritsch E., (2007) Gem News International: Pezzotaite from Myanmar.
Gems & Gemology,
vol. 43, n°1, pp. 70-72.
Karampelas S., Fritsch E. (2007) Letter
to the Editor: pigments in
natural-color corals. Gems
& Gemology, vol. 43, n° 2,
pp. 96-97.
Karampelas S., Mocquet B., Fritsch E. (2007) Gem
News International:
Otolith pendant. Gems
&
Gemology, vol. 43 n°4,
pp.380-381.
Rondeau B., Delaunay A. (2007)
Les
tourmalines cuprifères du
Nigeria et du Mozambique. Revue
de Gemmologie a.f.g., vol.
160,
pp.8-13.
Karampelas S., Gaillou E., Fritsch E.,
Douman M. (2007)
Les grenats
andradites-demantoides d’Iran : zonage de couleur et
inclusions. Revue de
Gemmologie a.f.g., n° 160, pp.
14-20.
Rondeau B., Lulzac Y., Fritsch E., Guiraud
M., Lefevre P., Fransolet
A.-M. (2006)
Raman investigation of the amblygonite-montebrasite
series. The Canadian
Mineralogist, vol. 44, pp. 1109-1117.
Fritsch E. (2004) Les macles de la
staurotide, ou un et un font sept
(ou peut-être huit)... Le
Règne
Minéral, No. 56, pp. 37-40.
Fritsch E. (2004) Gem News
International: Colored cubic zirconia Buddha carving. Gems & Gemology, vol.
40, n°2, pp. 177.
Gaillou E., Mocquet B., Fritsch E. (2004) Gem
News International: A new gem material from Madagascar. Gems & Gemology, vol.
40, n°4, pp. 339-340.
Mocquet B., Lulzac Y., Fritsch E. (2004) Gem
News International: Jeremejevite from Madagascar. Gems & Gemology, vol.
40, n°4, pp. 340-341.
Fritsch E., Lulzac Y. (2004) Gem News
International: Arizona peridot with unusual inclusions. Gems & Gemology, vol.
40, n°4, pp. 351-352.
Fritsch E. (2003) Gem News
International: Chatoyant glass cabochons from China. Gems & Gemology, vol.
39, n°4, pp. 339-340.
Ostroumov M., Fritsch E., Faulques E., Chauvet O. (2002) Etude
spectrométrique de la lazurite du Pamir. The Canadian
Mineralogist, Vol. 40, pp. 885-893.
Fritsch E. (2002) Un mot sur la
bénitoïte gemme. Le
Règne Minéral, No. 48, pp. 22.
Ostroumov M., Victoria Morales A. , Chauvet O., Fritsch E. (2001) Algunas consideraciones sobre la naturaleza de
color de topacios
volcanicos (Mexico). Boletin
de la
Sociedad Espanola de Mineralogia,
Vol. 24, pp. 33-41.
Moëlo Y., Lasnier B., Palvadeau P., Léone P.,
Fontan F. (2000) La lulzacite, Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10,
un nouveau phosphate de strontium (Saint-Aubin-des-Châteaux,
Loire-Atlantique, France). Comptes-Rendus
de l'Académie des Sciences,
vol. 330, pp.317-324.
Fritsch E., McClure S.F., Ostrooumov M., Andres Y., Moses T., Koivula
J.I., Kammerling R.C. (1999) The
identification of Zachery-treated
turquoise, Gems
& Gemology,
Vol. 35, No. 1, pp. 4-16.
Fritsch E., Carrère P., Moses T. (1999) La
détection du Jade B: comparaison des différentes
méthodes de laboratoire. Revue
de gemmologie a.f.g., No.136,
pp. 14-18.
Parodi G.C., Rondeau B., Cochet B. (1999) Les
béryls bleus
de l'aiguille de Charmoz. Le
règne Minéral,
n° Hors-Série V, pp. 57-58.
Fritsch E. (1997) Alerte aux
chrysoberyls radioactifs. Revue
de
gemmologie a.f.g. No. 132, pp. 7.
Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1995) Relation between
the crystallographic orientation and the « alexandrite effect
» in synthetic alexandrite. Mineralogical
Magazine. Vol. 59,
pp. 111-114.
Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1995) Abnormal hue-angle
change of the gemstone tanzanite between CIE illuminants D65 and A in
CIELAB color space. Color
Research
and Application.Vol. 20, No. 4,
pp.245-250.
Fritsch E., Shigley J.E. (1994) Origin
of the purple and pink colors of
manganoan sugilite from the Wessels mine, South Africa. Mineralogical
Magazine, Vol. 58, pp. 681-685.
Fritsch E. (1994) Type-B jadeite: new
polymers and estimating amount of
wax. Jewellery News
Asia,
No. 123, pp. 106-110.
Muhlmeister S., Koivula J.I., Kammerling R.C., Smith C.P., Fritsch
E., Shigley J.E. (1993) Flux-grown
synthetic red and blue spinels from
Russia. Gems
&
Gemology,
Vol. 29, No. 2, pp. 81-100.
Fritsch E., Langelier G. (1992) Origine
de la couleur des
vésuvianites vertes, mauves et bicolores du
Québec. The
Canadian
Gemmologist, Vol. 13, No. 1, pp. 6-13.
Fritsch E., Muhlmeister S., Birkner A. (1992) A
preliminary
spectroscopic study of Biron synthetic pink titanium-beryl.
The
Australian Gemmologist, Vol. 18, No. 3, pp. 81-82.
Chai B.H.T., Fritsch E. (1992) Synthetic
blue gehlenite. Proceedings
of
the International Gemological Symposium 1991 - Facing the Future,
Ed.
A. Keller, GIA, Santa Monica, CA, USA, pp. 153-154.
Chai B.H.T., Fritsch E. (1992) Synthetic
"Scalexandrite" and vanadium
chrysoberyl. Proceedings
of the
International Gemological Symposium
1991 - Facing the Future, Ed. A. Keller, GIA, Santa
Monica, CA, USA,
pp. 154.
Koivula J.I., Kammerling R.C., Fritsch E. (1991) Gemmological
investigation of a synthetic spinel crystal from the Soviet Union.
Journal of Gemmology,
Vol. 22,
No. 5, pp. 300-304.
Kammerling R.C., Koivula J.I., Fritsch E. (1991) Characterization
of a
so-called "Reconstructed Lapis Lazuli". The
Australian Gemmologist,
Vol. 17, No. 11, pp. 450-453.
Fritsch E., Wu S.-T. T., Moses T., McClure S.F., Moon M. (1992) Identification
of bleached and
polymer-impregnated jadeite. Gems
& Gemology, Vol. 28, No. 3, pp. 176-187.
Rossman G.R., Fritsch E., Shigley J.E. (1991) Origin
of color in
cuprian elbaite tourmalines from Sao Jose de Batalha, Paraiba, Brazil.
American Mineralogist,
Vol. 76,
pp. 1479-1484
Kammerling R.C., Koivula J.I., Kane R.E., Fritsch E., Muhlmeister S.,
McClure S.F. (1991) An
examination of
nontransparent « CZ
» from Russia. Gems
& Gemology, Vol. 27, No. 4, pp.
240-247.
Fritsch E., Shigley J.E., Rossman G.R., Mercer M.E., Muhlmeister S.M.,
Moon M. (1990) Gem-quality
cuprian
elbaite from Sao Jose de Batalha,
Paraiba, Brazil. Gems
&
Gemology, Vol. 26, No. 3, pp.
189-205.
Kammerling R.C., Koivula J.I., Fritsch E. (1990) An
examination of
chrysoprase from Goias, Brazil. The
Australian Gemmologist, pp.
313-315.
Woodruff R.E., Fritsch E. (1989) Blue
pectolite from the Dominican
Republic. Gems
& Gemology,
Vol. 25, No. 4, pp. 216-225.
Koivula J.I., Fritsch E., Fryer C. (1988) The
gemmological
characteristics of Inamori synthetic cat's eye alexandrite chrysoberyl.
Journal of Gemmology,
Vol. 21, No. 4, pp. 232-236.
Fritsch E., Babonneau F., Sanchez C., Calas G. (1987) Vanadium
incorporation in silica glasses. Journal
of Non-Crystalline Solids,
Vol. 92, pp. 282-294.
Fritsch E., Calas G. (1985) Thermal
darkening of silica glass: a
spectroscopic study. Journal
of
Non-Crystalline Solids, Vol. 72, pp.
175-179.
Bianconi A., Fritsch E., Calas G., Petiau J. (1985) X-ray absorption
near-edge structure of 3d transition elements in tetrahedral
coordination : the effect of bond length variation. Physical Review B.,
Vol. 32-6, pp. 4292-4296.
Marcelli A., Davoli I., Bianconi A., Garcia J., Gargano A., Natoli
C.R., Benfatto M., Chiarada P., Fanfoni M., Fritsch E., Calas G.,
Petiau J. (1985) Local structure in
SiO2 glasses by oxygen K-edge
XANES. Journal de
Physique Colloques,
C8, Vol. 46, pp. 107-112.
COULEUR DES GEMMES
Rondeau B. (2007) Des couleurs
trompeuses. In Roches et
Minéraux, Textes et
Documents pour la Classe n°930,
Centre
National de Documentation Pédagogique, pp. 12-15.
Fritsch E. (2001) L’origine
de la couleur dans
les
minéraux. dans Ecole
de
printemps 2001 - la couleur des
matériaux. Conservatoire des ocres et pigments
appliqués.
Roussillon en Provence, 10 pages non
numérotées.
Fritsch E., Rossman G.R. (2001) L’origine
de
la couleur
dans les gemmes: 4ème partie. Revue
de gemmologie a.f.g.,
No.
143, pp.26-37.
Fritsch E., Rossman G.R. (2001). L’origine
de
la couleur
dans les gemmes. 3ème partie. Revue
de gemmologie a.f.g.,
No.
141-142, pp. 65-74.
Fritsch E., Rossman G.R. (2000) La
couleur dans les
gemmes. Pour la Science,
Dossier hors série, Avril 2000, pp.
36-41.
Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1999) A
colorimetric study of the alexandrite effect in gemstones.
Journal of
Gemmology, Vol. 26, No. 6, pp. 371-385.
Fritsch E. , Rossman G.R. (1999)
L’origine de
la couleur
dans les gemmes : 2 ème partie, Revue
de gemmologie a.f.g.,
No.
138-139, pp. 55-61. Republiée pour cause d’erreur
de
l’imprimeur dans le No. 140.
Fritsch E., Rossman G.R. (1999) L’origine
de
la couleur
dans les gemmes : 1ère partie. Revue
de gemmologie a.f.g.,
No.
137, pp. 10-16.
Liu Y., Shigley J.E., Fritsch E., Hemphill S. (1994) The «
alexandrite effect » in gemstones. Color
Research and
Application, Vol. 19, No. 3, pp. 186-191.
Fritsch E., Rossman G.R. (1988) An
Update on Colors in Gems. Part 3:
Colors caused by band gaps and physical phenomena.
Gems &
Gemology, Vol. 24, No. 2, pp. 81-102.
Fritsch E., Rossman G.R. (1988) An
Update on Color in Gems. Part 2:
Colors involving multiple atoms and color centers.
Gems &
Gemology, Vol. 24, No. 1, pp. 3-15.
Fritsch E., Rossman G.R. (1987) An
update on color in gems. Part 1:
Introduction and colors caused by dispersed metal ions.
Gems and
Gemology, Vol. 23, No. 3, pp. 126-139.
Fritsch E. (1985) La couleur des
minéraux et des gemmes.
Première partie : Des tribulations d'un électron
à l'intérieur d'un atome isolé.
Monde
& Minéraux, Vol. 67, pp. 20-25.
Fritsch E. (1985) La couleur des
minéraux et des gemmes,
deuxième partie. Monde
& Minéraux, Vol.
69, pp. 12-17.
Fritsch E. (1985) La couleur des
minéraux et des gemmes. Des
couleurs du diamant aux étoiles du saphir. Monde &
Minéraux, Vol. 70, pp. 12-22.
GENERALITES
Fritsch E., Massuyeau F., Rondeau B., Segura O., Hainschwang T. (2011)
Advancing the understanding
of luminescence in gem materials.
Gems & Gemology,
vol. 47, n°2, p 123.
Devouard B., Bornet R., Notari F., Rondeau B., Fritsch E., (2010) Gem
News International: Use your cell-phone as a gemological tool. Gems & Gemology , vol. 46, n°2, pp 325-326.
Fritsch E., Rondeau B. (2009) Gemology,
the emerging science of gems. Elements,
vol. 5, n°3, pp.147-152.
Fritsch E. (2008) The Paris
Gemmological Meetings – gemstone
updates for French speakers. InColor,
Fall2008, pp. 36-37
.
Fritsch E. (2007) A forecast of the
important techniques
in
the next ten years. Gems
&
Gemology, Vol. 42, No. 3, pp.
90.
Rondeau B., Ruffault P. (2006)
Gemmes du
Mozambique. Revue de
Gemmologie a.f.g., vol. 157,
pp.8-9.
Price M., Walsh K., Rondeau B. (2006) Roches
et
Minéraux. Guide
Nature
en Poche, Larousse Ed., 224 p.
(traduction).
Sunagawa I., Fritsch E. (2002) La
forme des cristaux.
Dossier
Hors Série Pour la
Science « les diamants
»
Avril/Juin 2002, pp. 34-39.
Fritsch E. (2001) Symposium en
l’honneur du
professeur
H. BANK à Idar Oberstein. Revue
de gemmologie a.f.g., No.
141-142, pp. 6-7.
Ostroumov M., Lasnier B., Fritsch E., Lefrant S. (2000) Spectres diagnostiques de réflexion
des minéraux
dans le
domaine infrarouge lointain. Revista
Mexicana de Ciencias Geologicas,
Vol. 17, No. 2, pp. 163-167.
Rondeau B. (2000) Daubenton et la
Minéralogie
au
XVIIIème siècle. In Catalogue
de l'exposition
Daubenton
(Montbard, Côte d'or), Ville de Montbard-Musée
Buffon ed.
p. 5.
Rondeau B. (2000) René-Just
Haüy und
die
Kristallographie des Diamanten. In Funkelnde
Diamanten, Mineralientage
München 2000, pp. 126-127.
Fritsch E. (1999) Comprendre les
macles : une question
de symétrie. Le
règne Minéral, No. 29, pp.
47-51.
Peucat J.-J., Lasnier B., Fritsch E., Le Coz - Bouhnik
M.,
Boudard M. (1999) A new method for
chemical analysis of gems: ICPMS-LA.
Example of emeralds and andalusite, Indian
Gemmologist, Vol. VIII, pp.
44.
Fritsch E., Shigley J.E., Lasnier B. (1998) Le
traitement des gemmes. Pour la Science, No. 245, pp.
66-73.
Fritsch E. (1998) La 26ème Conférence
Gemmologique en Allemagne. Revue de
gemmologie a.f.g. No. 133, pp.
4-6.
Ostrooumov M., Fritsch E., Lasnier B., Lefrant S. (1998) Espectros diagnosticos de reflexion de
minerales en la region infraroja
lejana. Boletin de la
Sociedad
Espanola de Mineralogia, Vol. 21, pp.
147-152
Grenier de Cardenal L., Fritsch E., Lasnier B. (1998) Du
rêve à la réalité des
traitements. Catalogue
de l’exposition Des pierres... précieuses et
mystérieuses, p. 12-13.
Fritsch E. (1996) Chinese synthetics:
the anonymous
crowd. Jewelers’
Circular-Keystone. Vol. 167, No. 3, pp.
51-52.
Fritsch E. (1995) Spectroscopies
commonly applied to gem
identification. Analusis,
Vol. 23, No. 1, pp. M37-38.
Lasnier B. (1995) The Raman microprobe: a new gemmological tool. The Australian Gemmologist, vol. 19, n°1, pp. 5-7.
Shigley J.E., Fritsch E., Liu Y. (1994) Gemological
Research Update (en
Chinois), China Gems,
Vol. 3, No. 4, pp. 49-51.
Kammerling R.C., Koivula J.I., Kane R.E., Maddison P., Shigley J.E.,
Fritsch E. (1993) Examining Opticon.
Colored
Stone,
Janvier-Février 1993, pp. 365 & 380.
Fritsch E. (1993) "GIA says AGIL's
findings insufficient". Letter to
the editor. Jewellery News Asia,
Septembre 1993, pp. 86 & 90.
Fritsch E., Rossman G.R. (1990) New
technologies of the 1980s : their
impact on gemology. Gems
&
Gemology, Vol. 26, No. 1, pp. 64-75.
Fritsch E. (1987) Connaître
les macles. Première
partie. Monde
&
Minéraux, Vol. 77, pp. 16-19.
Fritsch E. (1987) Connaître
les macles. Deuxième
partie. Monde
&
Minéraux, Vol. 78, pp. 44-49.
Fritsch, E., Stockton C.M. (1987) Infrared
spectroscopy in gem
identification. Gems
and Gemology,
Vol. 23, No. 1, pp. 18-26.
Fritsch E. (1984) Une exception : les
macles. Monde
&
Minéraux, Vol. 61, pp. 4-7.
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