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Ammoniomagnesiovoltaite

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JYJ1031242

Ammoniomagnesiovoltaite

Description Tabs

Description
Locality: 
Anna Mine, Alsdorf, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.8 × 0.8 cm
Description

Bright yellow ammoniomagnesiovoltaite from the Anna mine, Alsdorf, Germany. 

 

Mineral Data
What's on the rock

Ammoniomagnesiovoltaite

Formula: 
(NH4)2Mg2+5Fe3+3Al(SO4)12·18H2O
Strunz: 
7.CC.25
Hardness: 
0.0
Type Locality: 
Pécs-Vasas, Pécs, Mecsek Mts, Baranya Co., Hungary