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Ammoniojarosite

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SHS987547

Ammoniojarosite

Description Tabs

Description
Locality: 
Anna Mine, Alsdorf, Cologne, North Rhine - Westphalia, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.3 × 0.5 cm
Description

Nice ammoniojarosite on matrix

Mineral Data
What's on the rock

Ammoniojarosite

Formula: 
(NH4)Fe3+3(SO4)2(OH)6
Strunz: 
7.BC.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Type Locality: 
Kaibab fault, Kane Co., Utah, USA