![yellow zircon of Sri Lanka brilliant cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/zircon-taille-diamant-sri-lanka19.png)
very weak
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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![yellow zircon of Sri Lanka brilliant cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/zircon-taille-diamant-sri-lanka19.png)
![vanadinite fancy cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/vanadinite-taille-fantaisie34.png)
vanadinite
ck_admin
March 24, 2021
Discovered in 1838 in Mexico, its name comes from its composition, rich in vanadium.
![tugtupite cabochon from Greenland](https://www.patrickvoillot.com/wp-content/uploads/2021/03/tugtupite-cabochon-groenland39.png)
tugtupite
ck_admin
March 24, 2021
Mineral discovered in 1960 simultaneously in the Kola Peninsula (Russia) and south of Greenland, its name comes from an Inuit word meaning ” Reindeer blood ” (“tugtup” means reindeer in Eskimo). Stone of a beautiful color. Without light it loses its color, and after returning
![crystallized talc from Luzenac in Arriege in France](https://www.patrickvoillot.com/wp-content/uploads/2021/03/talc-luzenac-arriege-france49.png)
![violet taaffeite of Sri Lanka round cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/titanite-sphene-chromifere50.png)
![sturmanite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/sturmanite-taille-emeraude52.png)
sturmanite
ck_admin
March 24, 2021
It honors the name of the Canadian mineralogist B. Darko Sturman.