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 honors Maxime Villiaume, French soldier and explorer who made collections of minerals from Madagascar and Guinea. The villiaumite was found in its samples coming from Guinea (Rouma Island). For gemologists: watch this stone has an significant polarization abnormality, while being isotropic.
Its name comes from the Vesuvius (Italy) where it was discovered, it is also called vesuvienne, idocrase, wiluite (form the Wilui River in Yakutia, Russia). The californite variety, discovered in 1963 by the famous mineralogist Kunz, is a massive, persistent and green variety of vesuvianite
Its name comes from the Greek “triplos” for triple, as it has cleavages in three directions, it forms a series with the zwieselite, which is the fluorinated pole. It is found in granitic pegmatites and it was identified in the Chanteloube, Haute-Vienne in France. The
Its name comes from the Greek “tria” for 3 and “phylon” family to signify that it contains three cations because it was believed that it contained lithium, magnesium and iron.
She was named in 1789 by the mineralogist J.G.A. Höpfner in relation to its supposed place of discovery: the Val Tremola in the St. Gotthard massif in Switzerland, but the sample was from another valley … Campolungo. Chemically very close to actinolite (tremolite does not
