![cinnabar crystals from China](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cinabre-cristaux.jpg)
sulfides
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
Categories
![cinnabar crystals from China](https://www.patrickvoillot.com/wp-content/uploads/2021/03/cinabre-cristaux.jpg)
![chalcopyrite cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/chalcopyrite-cabochon213.png)
chalcopyrite
ck_admin
March 24, 2021
Its name comes from the Greek “chalcos”, which means copper and pyrite: this is a copper pyrites. It was identified in 1725 by Henckel. Chalcopyrite may contain gold in small quantities, it is then exploited for this precious metal.
![oval cut carrollite of Congo](https://www.patrickvoillot.com/wp-content/uploads/2021/03/carrollite-ovale-congo220.png)
carrollite
ck_admin
March 24, 2021
Its name comes from the locality where it was identified by Faber in 1852: the Patapsco mine in Carroll County, Maryland in the United States. It is part of the linnaeïtes, it forms a series with the violarite, the polydymite, the siegenite according to the