vitreous

Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …

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sugilite from Wessels Mine, Kalahari in South Africa, cabochon cut

sugilite

It was discovered in 1944 in Japan, its name honors the Japanese geologist Ken-ichi Sugi (1901-1948) who has identified it. But it was not until the late 1970s that a purple manganiferous variety from South Africa has been used in jewelry. There is also another

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sturmanite emerald cut

sturmanite

It honors the name of the Canadian mineralogist B. Darko Sturman.

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stichtite cut in cabochon

stichtite

It is named after Robert Stich, the mine owner, where she was discovered in 1910, in Tasmania, Australia.

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staurolite from Brazil oval cut

staurolite

It is named after his twins very frequently cross-shaped: the twin cross of St. Andrew (60 degrees) and that of the Greek cross (90 degrees), in Greek “stauros” means cross and “lithos”, stone, hence its name “cross stone”. Another twin “in wheel”shape exists in the

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cushion cut spinel from Tanzania

spinel

This is a gem belonging to a group of minerals close to each other and it was many times qualified as liar because it is present in the same deposits of the ruby and sapphire and it has often been confused with these gems. Some

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