hambergite
ck_admin
March 24, 2021
It honors the Swedish mineralogist Axel Hamberg (1863-1933).
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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 …
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gaylussite
ck_admin
March 24, 2021
Identified in 1826 in Venezuela, its name honors the French chemist Gay-Lussac (1778-1850).
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
enstatite
ck_admin
March 24, 2021
Being difficult to melt, it was awarded the name of Greek word meaning “resistant” without really understanding why. The more it contains iron, more the color becomes dark and black. The more its iron content increases, more its density increases. The enstatite forms an isomorphous
