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Cobaltoan Calcite & Chrysocolla

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WND807992

Cobaltoan Calcite & Chrysocolla

Description Tabs

Description
Locality: 
Aghbar Mine, Aghbar, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.7 × 8.1 × 5.1 cm
Description

Bright pink coloured, multifaced crystals of cobalt-bearing calcite accompanied by pale mint coloured chrysocolla. The cobaltoancalcite is lucent, sharp and high lustrous. A good specimen in very good shape.

Mineral Data
What's on the rock

Cobaltoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Co)CO3
Hardness: 
0.0

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Wendel Minerals

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