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Manganoan Calcite & Sphalerite

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SCH107581

Manganoan Calcite & Sphalerite

Description Tabs

Description
Locality: 
Julcani District, Huancavelica Department, Peru
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 6.9 × 7.6 cm
Description

Pale-pink manganese-rich scalenohedral calcite crystals completely covering a plate of massive sphalerite. The calcite crystals have a matte luster and fluoresce orange under UV. The back of the specimen shows some large twinned spahlerite crystals to 2.5 cm. Very aesthetic!

 

Mineral Data
What's on the rock

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

Sphalerite

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

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