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Arsenopyrite & Manganoan Calcite

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AST1073239

Arsenopyrite & Manganoan Calcite

Fluorescent

Description Tabs

Description
Locality: 
Olympiada Mine, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 3.5 × 2.3 cm
Description

A classic specimen of numerous arsenopyrite crystals of top silver metallic luster, that grow on both sides of the specimen, with a well formed disc shaped manganoan calcite crystal attached. Calcite glows under LWUV.  Specimen comes from a German collection, label included.

Mineral Data
What's on the rock

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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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