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Calcite With Dolomite

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CLB100076

Calcite With Dolomite

Classic Locality

Description Tabs

Description
Locality: 
Lavrion District Mines, Attiki Prefecture, Greece
Size Range: 
Cabinet (10-18 cm)
Size: 
13.8 × 7 × 4.5 cm
Largest Crystal: 
3.40cm
Description

Very interesting cluster of calcite scalenohedrons, covered with dolomite (analyzed).
There's a repair on the left side, last crystal was stabilized with superglue. If you don't like this you could easily trim it off and still have a very nice specimen. What looks like a ding at the tip of the large crystal in the middle is not. Just open space in the crust, perhaps a very old, healed ding.

Mineral Data
What's on the rock

Calcite

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

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