![thulite of Norway cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/thulite-norvege-cabochon20.png)
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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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![thulite of Norway cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/thulite-norvege-cabochon20.png)
![rubellite variety of tourmaline from Brazil](https://www.patrickvoillot.com/wp-content/uploads/2021/03/tourmaline-rose-taillee-bresil43.png)
tourmaline
ck_admin
March 24, 2021
Its name comes from Sri Lanka, Ceylon, where it was called “tourmali” or “torra molli”, stone attracting ashes, it is considered as a colored zircon. It was not until 1703 that the Dutch brought it to Europe. It was identified by Buffon in 1759. It
![cushion cut spinel from Tanzania](https://www.patrickvoillot.com/wp-content/uploads/2021/03/spinelle-coussin-tanzanie57.png)
![spessartine mandarine garnet oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/spessartite-grenat-mandarine-ovalel-tanzanie60.png)
spessartine
ck_admin
March 24, 2021
Its name comes from the cottage of Spessar sur- le -Main in Bavaria. The finest ones come from Africa, in Namibia, from a recently discovered deposit that produced the famous “tangerine”garnets, of a very bright color and a beautiful shine, and that seems exhausted. The
![rutile as inclusions in quartz](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rutile-inclusion-quartz-bresil74.png)
![rubies from Sri lanka oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rubis-ovale-sri-lanka75.png)