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Chalcoalumite

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SHS759386

Chalcoalumite

Description Tabs

Description
Locality: 
Eisenzecher Zug Mine, Eiserfeld, Siegen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.2 × 0.6 cm
Description

Chalcoalumite on matrix

Mineral Data
What's on the rock

Chalcoalumite

Formula: 
CuAl4(SO4)(OH)12·3H2O
Strunz: 
7.DD.75
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Copper Queen Mine (Halero Mine), Queen Hill, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA