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Calcite With Marcasite

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JZM636121

Calcite With Marcasite

Description Tabs

Description
Locality: 
Auguste-Victoria Mine, Marl-Hüls, Ruhr, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 6.8 × 4.3 cm
Largest Crystal: 
1.00cm
Weight: 
100.00gr
Description

Rhomboedric calcite crystals with good luster in combination with marcasite. The one side is completely covered with calcite, the other backside shows some isolated calcite crystals sitting on marcasite.

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

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