friedelite
ck_admin
March 24, 2021
Its name honors the French chemist and mineralogist Charles Friedel (1832-1899).
vitreous
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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epidote
ck_admin
March 24, 2021
Its name comes from the Greek “epidosis” for generous, that lives largely, referring to its crystalline form, which is a juxtaposition of numerous slender prisms. Its former name, pistachite, was referring to its color. There are several varieties: The variety clinozoisite, is a dimorph of
