Réf : BM214
Hubnerite on Quartz - Peru - crystal minerals 1.8 cm / 12g / BM214
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HUBNERITE belongs to the tungstate group. It contains manganese and tungsten. Its chemical formula is MnWO4.
Hübnerite usually has tabular or flattened crystals of a very dark color, almost black, but dark red by transparency.
The density of Hubnerite is less than 7.3 (1 for water) and its hardness is less than 5 (10 for diamond). The line on porcelain is yellow-brown.
The name Hübnerite comes from the name of the mining engineer A. Hübner.
Unique piece - Contractual photos
Origin: crystal minerals from Peru
Dimensions: 1.8 x 1.8 x 1.6 cm
Weight: 12 g
