translucent

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 …

actualités

gem brookite crystal from Pakistan

brookite

Discovered in 1825 by Levy, its name honors the English mineralogist Henry James Brooke (1771-1857). It is a crystalline form of titanium oxide, such as rutile and anatase.

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fancy cut boracite

boracite

It takes its name from its boron content, it was discovered in Germany in Lower Saxony in 1789.

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twinned boleite crystals from Boleo, Mexico

boleite

It is named after its place of discovery: Boleo, Baja California, Mexico. It was identified by Mallard and Cumenge in 1897.

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square cut bikitaite

bikitaite

It ows its name to the type locality at Bikita, Zimbawe, where it was discovered

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pear cut benitoite from United States

benitoite

It was discovered in the early twentieth century by the San Benito river in San Benito County, California. Its color is very close to that of sapphire but its strong dichroism can easily distinguish it from sapphire, and even other blue stones.

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bastnaesite from Zagi in Pakistan

bastnaesite

It takes its name from the mine Bastnas Riddarhyttan in Vastmanland in Sweden where it was discovered. There are three varieties of bastnaesite based on the predominant “rare earth element” (rare metallic chemical elements) in it. Here lanthanum is the dominating but also cerium can

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