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Cobaltlotharmeyerite Cobaltaustinite & Roselite

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FDW65355

Cobaltlotharmeyerite Cobaltaustinite & Roselite

Rare Mineral

Description Tabs

Description
Locality: 
Aghbar Mine, Aghbar, Zagora Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.2 × 2 cm
Description

Cobaltlotharmeyerite is a rare mineral which is only found at this moment in two localities: Schneeberg/Austria and Bou-Azzer/Morocco.

This specimen has two cavities with cobaltlotharmeyerite and cobaltaustinite. The cobaltaustinite forms olive green globular spheres on light pink, cobaltoan, dolomite (with a dozen black haematite globules) in a 8mm cavity.

The cobaltlotharmeyerite forms brown microcrystals on dolomite in a 6mm cavity. There is also another 2mm small cavity in roselite on the specimen with micro quartz crystals and cobaltlotharmeyerite. 

 

Mineral Data
What's on the rock

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

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

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
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