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Niedermayrite

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JYJ740417

Niedermayrite

Description Tabs

Description
Locality: 
Hidden Treasure Mine, Ophir, Tooele County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.3 × 1.2 cm
Description

Spiky niedermayrite crystals associated with tabular green ktenasite on matrix from 1000ft level.

Rare mineral!

 

Mineral Data
What's on the rock

Niedermayrite

Formula: 
CdCu4(SO4)2(OH)6·4H2O
Strunz: 
7.DD.30
Crystal System: 
Monoclinic
Hardness: 
0.0
Streak: 
White
Type Locality: 
Esperanza Mine, Lavrion (Laurion; Laurium), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece