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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 …
actualités
muscovite
ck_admin
March 24, 2021
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
montebrasite
ck_admin
March 24, 2021
Close to amblygonite, ows its name to Montebras in France, in the Creuse. The majority of gems called “amblygonite” are chemically closer to the “ montebrasite “.
marcasite
ck_admin
March 24, 2021
Identified in 1845 by von Raidinger, it was found being different from pyrite by René-Just Haüy in the early nineteenth century. Its name comes from either the Arabic or Moorish to signify that it has a metallic color yellow. This is an iron sulphide containing
leucophanite
ck_admin
March 24, 2021
Its name comes from the Greek “Leucos” which means white and “phanen”, “which appears” in connection with its color often white. It was discovered in 1840 in Norway.
