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Kobyashevite on Calcite


Kobyashevite on Calcite

8 x 5 x 5 cm - Sm Cabinet 
Cu5(SO4)2(OH)6·4H2O (RRUFF)
Mina Ojuela, Mapimi, Durango, Mexico

Anthropogenic specimen of this relatively new copper sulfate mineral originally found in Russia. The Kobyashevite is all the blue crusts which occurs on Calcite. The acicular crystals are selenite.

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