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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
sturmanite
ck_admin
March 24, 2021
It honors the name of the Canadian mineralogist B. Darko Sturman.
staurolite
ck_admin
March 24, 2021
It is named after his twins very frequently cross-shaped: the twin cross of St. Andrew (60 degrees) and that of the Greek cross (90 degrees), in Greek “stauros” means cross and “lithos”, stone, hence its name “cross stone”. Another twin “in wheel”shape exists in the
spherocobaltite
ck_admin
March 24, 2021
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
spessartine
ck_admin
March 24, 2021
Its name comes from the cottage of Spessar sur- le -Main in Bavaria. The finest ones come from Africa, in Namibia, from a recently discovered deposit that produced the famous “tangerine”garnets, of a very bright color and a beautiful shine, and that seems exhausted. The
