![cut augite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/acmite-augite0.png)
translucent
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
![cut augite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/acmite-augite0.png)
mother-of-pearl
Mother-of-pearl or Nacre is the substance that constitutes the inner part of the shell of certain mollusks, its name comes from the Latin “ nacrum “, which was used to describe white matter with iridescent reflections. It consists of a mineral part of calcium carbonate
![thulite of Norway cut in cabochon](https://www.patrickvoillot.com/wp-content/uploads/2021/03/thulite-norvege-cabochon20.png)
zoisite
Identified by Werner in 1805 in the Austrian Alps, it was named after the Austrian Siegmund Zois, Baron von Edelstein (1747-1819). It is part of the epidote group. Its best-known variety is tanzanite which is not a mineral recognized by the International Mineralogical Commission for
![natural crystallized zincite from Franklin, United States](https://www.patrickvoillot.com/wp-content/uploads/2021/03/zincite-franklin-etats-unis21.png)
![yugawaralite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/yugawaralite-taille-emeraude22.png)
![wulfenite from U.S. square cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wulfenite-taille-carree-usa32.png)