sturmanite
ck_admin
March 24, 2021
It honors the name of the Canadian mineralogist B. Darko Sturman.
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 …
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sphalerite
ck_admin
March 24, 2021
Its name comes from the Greek “sphaleros” meaning traitor, deceitful, because in its black variety it looked like galena but did not release lead during fusion … and because of its brightness was also confused with the diamond. It is the major ore of zinc.
smithsonite
ck_admin
March 24, 2021
Name honoring James Smithson (1765-1829), founder of the Smithsonian Institution in Washington (USA). It is also called bonamite.
