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Annabergite With Conichalcite Dolomite & Calcite

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CLB150014

Annabergite With Conichalcite Dolomite & Calcite

ex collection Aidara/Hühne
Classic Locality

Description Tabs

Description
Locality: 
Km-3 Mine, Lavrion District, Attiki Prefecture, Greece
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 2.9 cm
Description

Excellent, deep green annabergite crystals with brown dolomite crystals and minor white calcite.
I think this is the best annabergite specimen I've ever ofered.

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

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Dolomite

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

Calcite

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

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