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Manganoan Calcite & Calcite

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AST519043

Manganoan Calcite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Olympiada Mine, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
6 × 7.5 × 4 cm
Description

Semi transparent disc shaped calcite crystals on sharp manganoan calcite rhomboedrons.Side view shows pinkish color of calcite rhomboedrons that are covered by a very thin film of white calcite or dolomite.Very fine classic from this mine.

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

Calcite

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

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