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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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pink crystals of stolzite from Zinnwald of Bohemia

stolzite

ck_admin March 24, 2021

Identified in 1845, its name honors the Czech mineralogist Joseph Alexis Stolz (1803-1896) who discovered it.

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cushion cut spinel from Tanzania

spinel

ck_admin March 24, 2021

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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oval cut scheelite from China

scheelite

ck_admin March 24, 2021

It is named after the Swedish chemist Karl W. Scheel (1742-1786) who discovered the tungstic acid. Tungsten is the current name of the chemical that was the metal component of wolframite, scheelite is still called a wolframate or tungstate …

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blue sapphire from Sri Lanka cushion cut

sapphire

ck_admin March 24, 2021

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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pyrope garnet from Africa oval cut

pyrope

ck_admin March 24, 2021

Its name comes from the Greek “pyros” for fire. Of variable color, the red one, more or less tinged with brown, being the most sought after. It was called “carbuncle” which means red like fire, and the expression “shining like carbuncles” was widely used by

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