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 …


yellow zircon of Sri Lanka brilliant cut


Its name comes from the Arabic “zargoun” muting in “jargon”, meaning vermilion. It is known since antiquity, but under different names. It may be colorless (rare), but also yellow, brown, orange, blue to blue-violet (called starlite) … and mostly brown green and dark red, the

cabochon of African unakite


This is an altered granite composed of pink feldspar, green epidote and colorless or brown quartz. When unakite is not too altered is a beautiful stone combining pistachio green epidote with salmon pink feldspar. It owes its name to Unaka Range located between Tennessee and

rubellite variety of tourmaline from Brazil


Its name comes from Sri Lanka, Ceylon, where it was called “tourmali” or “torra molli”, stone attracting ashes, it is considered as a colored zircon. It was not until 1703 that the Dutch brought it to Europe. It was identified by Buffon in 1759. It

green chrome titanite cushion cut


Identified in 1795, its name expresses its high content of titanium. It has long been known as sphene, which came from the Greek “sphenos” for corner, which described very well the shape of its wedge-shaped crystals. Brookite, of the same composition, crystallizes in another crystal

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


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

cushion cut spinel from Tanzania


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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