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Niedermayrite Ktenasite & Orthoserpierite

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BCK627771

Niedermayrite Ktenasite & Orthoserpierite

Rare Mineral

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: 
1.7 × 1.4 × 1.1 cm
Description

You are bidding on a small sample with a fracture surface covered in bladed clusters of niedermayrite and ktenasite with fibrous sprays of orthoserpierite. The terminations of the ktenasite are flat, and angled with niedermayrite. Rich sample! 

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

Ktenasite

Formula: 
Zn(Cu,Zn)4(SO4)2(OH)6·6H2O
Strunz: 
7.DD.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Jean Baptiste Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Orthoserpierite

Formula: 
Ca(Cu,Zn)4(SO4)2(OH)6·3H2O
Strunz: 
7.DD.30
Hardness: 
0.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

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