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Annabergite & Calcite

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CLB139844

Annabergite & Calcite

ex coll. Klaus Arnold
Classic Locality

Description Tabs

Description
Locality: 
Km-3 Mine, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 3.5 × 3.3 cm
Description

Very good specimen with intense green annabergite in several vugs. Some very nice little calcite-scalenohedron groups. Annabergite on four sides of the specimen.

Mineral Data
What's on the rock

Annabergite

Formula: 
Ni3(AsO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.5
Type Locality: 
Teichgräber Flacher vein, Teichgräber deep adit, Kippenhain Mine (Kippenhayn Mine), Schreckenberg, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany

Calcite

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

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