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Calcite On Aragonite & Annabergite Inclusions

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CLB505090

Calcite On Aragonite & Annabergite Inclusions

Classic Locality

Description Tabs

Description
Locality: 
Sangerhausen, Saxony - Anhalt, Germany
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9.5 × 2.2 cm
Description

Beige botryoidal calcite on layered aragonite, colored green by annabergite (according to a collector from the region).

A pretty and unique specimen.

Mineral Data
What's on the rock

Calcite

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain

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

Seller Information

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