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Shubnikovite & Richelsdorfite

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BCK719083

Shubnikovite & Richelsdorfite

Martin Jensen collection
Rare Mineral

Description Tabs

Description
Locality: 
Burrus Mine, Pyramid, Washoe County, Nevada, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 1.9 × 1.6 cm
Description

You are bidding on a nice thumbnail sample with pale blue clusters of bladed shubnikovite crystals with darker blue and transparent groups of richelsdorfite. This is apparently the only known sample of the species from the locality, and was analyzed by EDS. Shubnikovite is of course a questionable species, and these crystals should be investigated further. This is however a very interesting piece and an exceptional richelsdorfite from the locality. 

Mineral Data
What's on the rock

Richelsdorfite

Formula: 
Ca2Cu5Sb(AsO4)4(OH)6Cl·6H2O
Strunz: 
8.DK.
Hardness: 
2.0
Type Locality: 
Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, Hesse, Germany

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