colourless

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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oval cut xenotime

xenotime

Identified by Berzelius its name is related to the Greek word “xenos”, meaning stranger, because the crystals were not discovered until later and it was long called Cenotime. It forms a series with the chernovite and is a rare earth phosphate, more often Yttrium but

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yellow zircon of Sri Lanka brilliant cut

zircon

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

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natural crystallized zincite from Franklin, United States

zincite

its name is linked to its zinc content. It is a stone that has long been considered rare in crystals with only one deposit in Franklin, New Jersey, in United States. Few crystals have parts that can be considered gems and cut. The zincite can

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witherite round cut

witherite

Its name honors the British physician and mineralogist W. Withering (1741-1799). Witherite is toxic in powder.

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vlasovite fancy cut

vlasovite

Discovered in the Kola peninsula in Russia, it honors the name of the Russian mineralogist Kuzma Alekseevich Vlasov (1905-1964).

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villiaumite crystal from Namibia

villiaumite

Its name honors Maxime Villiaume, French soldier and explorer who made collections of minerals from Madagascar and Guinea. The villiaumite was found in its samples coming from Guinea (Rouma Island). For gemologists: watch this stone has an significant polarization abnormality, while being isotropic.

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