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Cobaltaustinite Talmessite & Cobaltlotharmeyerite

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SER645136

Cobaltaustinite Talmessite & Cobaltlotharmeyerite

Description Tabs

Description
Locality: 
Aghbar Mine, Aghbar, Zagora Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.1 × 2.1 cm
Description

A cluster of dolomite crystals hosts several green aggregate of cobaltaustinite, some very good double coloured talmessite crystals and minor tufts of orange cobaltlotharmeyerite

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

Talmessite

Formula: 
Ca2Mg(AsO4)2·2H2O
Strunz: 
8.CG.05
Crystal System: 
Triclinic
Hardness: 
5.0
Type Locality: 
Talmessi Mine (Talmesi Mine; Telmessi Mine; Telmesi Mine), Anarak District, Nain County (Nayin County), Esfahan Province (Isfahan Province; Aspadana Province), Iran

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