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 …
Identified by Berzelius its name is related to the Greek word “xenos”, meaning stranger, because the crystals were not discovered until later and it was long called Cenotime. It forms a series with the chernovite and is a rare earth phosphate, more often Yttrium but
Its name honors the Finnish mineralogist Väyrynen who identified it in Finland but the pink samples and gems come from the Paproke mine in Afghanistan.
Discovered in 1865 its name comes from Greek showing that its chemical formula was a real “mystery” to solve.
Its name, coming from Latin, was given by Werner and it means bright because the surfaces of its divisions are very bright. Amongst the pyroxenes, augite is a ferromagnesian silicate low in calcium. The fassaite variety is low in iron, the jeffersonite variety is rich
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 “sphaira” for sphere and from its composition with cobalt, which gives it its color, this is a rare stone. It’a a Cobalt Carbonate that is often wrongly called “cobaltoan calcite” Cobaltoan calcite chemically is a pink calcite owed to
