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Manganite On Calcite

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Manganite On Calcite

Description Tabs

Description
Locality: 
Walton Barite Mine, Hants County, Nova Scotia, Canada
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1 cm
Largest Crystal: 
0.70cm
Description

Highly lustrous, black needles of manganite on small translucent calcite crystals.

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
Surrey Minerals