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Manganite & Calcite

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ESM737998

Manganite & Calcite

Description Tabs

Description
Locality: 
Ilfeld, Nordhausen, Harz, Thuringia, Germany
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 4 cm
Description

Lustrous metallic manganite crystals on calcite

Mineral Data
What's on the rock

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0
Type Locality: 
Manganese deposit, Ilfeld, Nordhausen, Harz, Thuringia, Germany

Calcite

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