![scorodite cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/scorodite-cabochon-9.png)
purple
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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![scorodite cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/scorodite-cabochon-9.png)
![purpurite from United States](https://www.patrickvoillot.com/wp-content/uploads/2021/03/purpurite-brute-etats-unis87.png)
![heterosite of La Vilatte in Chanteloube in France](https://www.patrickvoillot.com/wp-content/uploads/2021/03/heterosite-la-vilatte-chanteloube-france159.png)
heterosite
ck_admin
March 24, 2021
Its name comes from the Greek “hetero”, other, because on the same deposit it was the second mineral containing manganese to be discovered. It forms a group with purpurite, the iron pole of the phosphate is the heterosite and purpurite the manganiferous pole.
![drop cabochon of charoite from Russia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/charoite-cabochon-russie211.png)
![chambersite fancy cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/chambersite-taille-fantaisie212.png)
chambersite
ck_admin
March 24, 2021
New mineral discovered in 1957 in Texas, in Chambers County (Barber’s Hill salt dome), hence its name. The crystals were found in the brine returns from a gas drilling because it is a borate insoluble in water. Thereafter deposits were discovered in Louisiana, Canada, and
![emerald cut amethyst from Madagascar](https://www.patrickvoillot.com/wp-content/uploads/2021/03/amethyste-violette-madagascar-taille-emeraude257.png)