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Alabandite & Manganoan Calcite

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RBM94822

Alabandite & Manganoan Calcite

Description Tabs

Description
Locality: 
Uchucchacua Mine, Oyon Province, Lima Department, Peru
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.5 × 2.5 cm
Largest Crystal: 
0.50cm
Description

Group of elongated cubo-octahedral crystals on a manganocalcite matrix.

Mineral Data
What's on the rock

Alabandite

Formula: 
MnS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania

Manganoan Calcite

Variety Of: 

Calcite

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

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