vayrynenite
ck_admin
March 24, 2021
Its name honors the Finnish mineralogist Väyrynen who identified it in Finland but the pink samples and gems come from the Paproke mine in Afghanistan.
perfect
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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augite
ck_admin
March 24, 2021
Its name, coming from Latin, was given by Werner and it means bright because the surfaces of its divisions are very bright. Amongst the pyroxenes, augite is a ferromagnesian silicate low in calcium. The fassaite variety is low in iron, the jeffersonite variety is rich
zoisite
ck_admin
March 24, 2021
Identified by Werner in 1805 in the Austrian Alps, it was named after the Austrian Siegmund Zois, Baron von Edelstein (1747-1819). It is part of the epidote group. Its best-known variety is tanzanite which is not a mineral recognized by the International Mineralogical Commission for
whewellite
ck_admin
March 24, 2021
It honors the name of the English mineralogist William Whewell (1794-1866). It is a component of kidney stones. The fine twinned crystals result from the reaction of the urine of horses working in the mines with the host rock.
