conchoidal

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

pink topaz oval cut

topaz

All the yellow stones were called topazes before we learned the difference from the others. This name probably comes from the island of Zebirget, former Topazos , on the Red Sea, where the peridot was found in the Middle Ages, unless it comes from the

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green chrome titanite cushion cut

titanite

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

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thorite round cut

thorite

Discovered in 1829, its name comes from its composition rich in thorium. It is highly radioactive and only since a short time. there are interesting samples for gemology.

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manganotantalite rectangular cut

tantalite

In the family of colombo – tantalites the tantalites can be high in iron or manganese. The iron-rich variety is sometimes called niobite. The rich in manganese, manganotantalite.

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violet taaffeite of Sri Lanka round cut

taaffeite

It is named after an Irish gemologist, Count Charles Taaffe, who discovered it in 1945 in a lot of cut spinel from Sri Lanka. All the characteristics of one of the stones were identical to the ones of spinels, except for the presence of a

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pink crystals of stolzite from Zinnwald of Bohemia

stolzite

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

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