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Niedermayrite

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CAM569794

Niedermayrite

Description Tabs

Description
Locality: 
Hidden Treasure Mine, Ophir, Tooele County, Utah, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.4 × 1.8 cm
Description

Niedermayrite, are very rare cadmium-copper-sulfate was named for Austrian mineralogist Gerhard Niedermayr in 1997. Only found at seven localities worldwide, this specimen comes from the old underground workings of the Hidden Treasure Mine in Utah, USA.

This excellent specimen has a very rich coverage of bright green-blue niedermayrite crystals on matrix. Beautiful under magnification.          From my own collection.

Analyzed by SEM/XRD.

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
Cartils Minerals

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