greasy
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 …
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palygorskite
ck_admin
March 24, 2021
Identified in 1862, its name comes from that of a deposit in the Urals in Russia. Sometimes called “angel skin opal” because of its resemblance, but it’s not an opal.
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 “.