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Sphalerite & Ankerite

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ESM774324

Sphalerite & Ankerite

Description Tabs

Description
Locality: 
Niederfischbach, Kirchen, Altenkirchen, Rhineland-Palatinate, Germany
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12 × 12 × 6 cm
Description

Brown botryoidal ankerite aggregates with minor calcite on dark coated green sphalerite crystals

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria