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 …
This is an altered granite composed of pink feldspar, green epidote and colorless or brown quartz. When unakite is not too altered is a beautiful stone combining pistachio green epidote with salmon pink feldspar. It owes its name to Unaka Range located between Tennessee and
Named in honor of the German chemist George Ulex (1811-1883). We notice a rare property: if the ends of a thick plate are well polished perpendicular to the longitudinal direction of its crystal fibers, they behave like optical fibers. A Printed text placed below appears
This is simply the “Turkish stone” because when this gem came to Europe, it had passed through that country, but it came from Persia. The Greeks called it “callaite”. It was a sacred stone for the Egyptians, Persians, Tibetans, Indians, Mayans, Aztecs and Incas. Color
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
