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Cobaltoan Austinite Cobaltlotharmeyerite Roselite & Calcite

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SCH44157

Cobaltoan Austinite Cobaltlotharmeyerite Roselite & Calcite

Description Tabs

Description
Locality: 
Aghbar Mine, Aghbar, Zagora Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.9 × 1.8 cm
Description

Hot red lenticular crystals of beta-roselite with excellent color and luster  are set in a vug with translucent pink calcite crystals. In another vug there are several red-orange cobaltlotharmeyerite crystal groups plus groups of deep green cobaltoan austinite.

Quite good specimen that could be further trimmed into two specimens.

Mineral Data
What's on the rock

Cobaltoan Austinite

Variety Of: 

Austinite

Formula: 
CaZn(AsO4)(OH)
Strunz: 
8.BH.35
Hardness: 
4.0 - 4.5
Formula: 
Ca(Zn,Co)AsO4(OH)
Hardness: 
0.0

Cobaltlotharmeyerite

Formula: 
Ca(Co,Fe3+,Ni)2(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Roter Berg District, Schneeberg District, Erzgebirge, Saxony, Germany

Roselite

Formula: 
Ca2(Co2+,Mg)(AsO4)2·2H2O
Strunz: 
8.CG.10
Hardness: 
3.5
Type Locality: 
Rappold Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Calcite

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

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