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 …
Its name comes from the Spanish region of Aragon, Castille. Identified by Werner in 1797 is a calcium carbonate, like calcite, but crystallizes in another crystal system.
Its name comes from a locality in Wales (Great Britain): the island of Anglesey. Described in 1832 by French mineralogist François Sulpice Beudant as anglésine and then subsequently anglesite. There are varieties rich in silver or copper.
It is a purple variety of quartz. Its name comes from the Greek “a” private and “methysto” meaning “ inebrietion ” wore as an amulet it was supposed to guard against drunkenness. The Greeks believed that drinking from a cup carved from this stone had