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 …
Discovered by the famous mineralogist James Dwight Dana in 1850, it owes its name to the “glass of Moscow” (vitrum muscoviticum), as the large plates, heat-resistant were used as windows for stoves and furnaces in this region. The hardness varies from one to two depending
Its name comes from the Greek “lepidos” for scale and “lithos” meaning stone, meaning a stone formed of scales stacked in staircase shape. Discovered in Moravia, Czech Republic, it is very close to another mica called muscovite, and for some it is not really a