aenigmatite
ck_admin
March 24, 2021
Discovered in 1865 its name comes from Greek showing that its chemical formula was a real “mystery” to solve.
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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
wolframite
ck_admin
March 24, 2021
Its name comes from the german, “ wolfram” being the name of tungsten, which is its main component. The hubnerite variety is rich in manganese, of a rather red color, transparent and in slices, it was named after the german Adolph Huebner. The ferberite variety
