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 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
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.
Identified in 1932 by Drugman and Hey, its name honors the Belgian mining engineer, Legrand.
It is named after the locality where it was discovered: Johachido District in North Korea. Recent discovery at Mogok in Burma of a variety of beautiful yellow-orange gem quality stones.
Its name honors Siegmund August Wolfgang von Herder (1776-1838) who identified it. It is found associated with herderite, besides many specimens called herderite are actually of hydroxylherderite.
Discovered in 1896 it was named after its resemblance to the monoclinic crystals of zoisite. It is part of the epidote group.
