green
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
Categories
augite
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
mother-of-pearl
Mother-of-pearl or Nacre is the substance that constitutes the inner part of the shell of certain mollusks, its name comes from the Latin “ nacrum “, which was used to describe white matter with iridescent reflections. It consists of a mineral part of calcium carbonate
zoisite
Identified by Werner in 1805 in the Austrian Alps, it was named after the Austrian Siegmund Zois, Baron von Edelstein (1747-1819). It is part of the epidote group. Its best-known variety is tanzanite which is not a mineral recognized by the International Mineralogical Commission for
zircon
Its name comes from the Arabic “zargoun” muting in “jargon”, meaning vermilion. It is known since antiquity, but under different names. It may be colorless (rare), but also yellow, brown, orange, blue to blue-violet (called starlite) … and mostly brown green and dark red, the