Some pictures of the hard life of students in gemology...

Some pictures of the hard life of students in gemology...


Mickael Rouille

Mickaël Rouillé tries our home-made hydrostatic balance for density measurements.

Alexandra Rodriguez

Alexandra Rodriguez  discovers how works a Scanning Electron Microscope. 

Judith Kheum

Judith Kheum observes, under the Scanning Electron Microscope, the silica spheres that form play-of-color opal.

Hilaire Ganguenon

Hilaire Ganguenon determines the type of a diamond using an infrared spectrometer.

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