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Cobaltaustinite Cobaltkoritnigite Spherocobaltite Quartz

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FDW45487

Cobaltaustinite Cobaltkoritnigite Spherocobaltite Quartz

Description Tabs

Description
Locality: 
Aghbar Mine, Bou Azzer, Drâa-Tafilalet Region, Morocco
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.5 × 3 cm
Description

One side of this specimen is covered by nice pink spheres of erythrite, where under and inbetween the erythrite micro crystals grow of spherocobaltite. The top of the specimen has a nice cavity in quartz with green transparent cobaltaustinite crystals. Found by seller in december 2009.

High resolution mineral images (tiff 75 MB), for use in articles or to print A3 for your wall, will be provided as download on request.

Mineral Data
What's on the rock

Cobaltaustinite

Formula: 
CaCo(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta), Olary Province, South Australia, Australia

Cobaltkoritnigite

Formula: 
(Co,Zn)(HAsO4)·H2O
Strunz: 
8.CB.20
Crystal System: 
Triclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Schwarzenberg District, Erzgebirge, Saxony, Germany

Spherocobaltite

Formula: 
CoCO3
Strunz: 
5.AB.05
Hardness: 
3.0 - 4.0
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
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