Tiger

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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sliced polished nephrite from China

nephrite

This is a thick microcrystalline rock the of amphibole family, we can consider nephrite as a microcrystalline variety of ferrous actinolite-tremolite series. The majority of nephrites are composed mainly of actinolite. The white variety, known as” mutton fat “, is composed almost exclusively of tremolite,

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Imperial jade from Burma cut in cabochon

jadeite

Its name comes from the term jade. It is the nineteenth century, in 1863, that jadeite was differentiated from nephritis. This is a pyroxene resulting from metamorphism of serpentines high in sodium. Before the nineteenth century both jadeite and nephrite were called with the generic

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blue sapphire from Sri Lanka cushion cut

sapphire

Its name comes from the Hebrew “Sappir” which referred for a long time the blue gems, the “most beautiful things”. By 1800, it was shown that the ruby and sapphire were only varieties of the same mineral, corundum. Currently, sapphire corresponds to all the blue

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imperial jade from Burma cut in cabochon

jade

In the nineteenth century, it was shown that the so-called “jade” actually consisted of two distinct minerals: The “Jadeite”, of the pyroxene family, is the hardest and most rare, it has a crystalline sound, its color varies from white to dark green, even lavender. The

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