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Cobaltoan Magnesian Annabergite

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CAM144859

Cobaltoan Magnesian Annabergite

Description Tabs

Description
Locality: 
Rohdenhaus Quarry, Rohdenhaus, Niederberg Area, North Rhine - Westphalia, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 1.4 cm
Description

The rarest species from the well-known Rohdenhaus Quarry is cobaltoan annabergite, or more correctly "Annabergite-Erythrite Series". This specimen has a good coverage of small pale pink tabular crystals in booklet-like clusters on matrix. Beautiful under magnification.

Mineral Data
What's on the rock

Cobaltoan Magnesian Annabergite

Variety Of: 

Annabergite

Formula: 
Ni3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Formula: 
(Ni,Mg,Co)3[AsO4]2·8H2O
Hardness: 
0.0
Cartils Minerals

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