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β-Roselite Roselite Cobaltaustinite & Cobaltlotharmeyerite

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SLN539288

β-Roselite Roselite Cobaltaustinite & Cobaltlotharmeyerite

Description Tabs

Description
Locality: 
Aghbar Mine, Bou Azzer, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 6.4 × 4 cm
Weight: 
87.00gr
Description

Nice and aesthetic specimen from Morocco of beta-roselite in aggregates of lamellar crystals associated with roselite crystals of gemmy quality in a beautiful and intense fuxia color, small balls of rare dark green cobalstautine and dark brown balls of rare cobaltlotharmeyerite.

Mineral Data
What's on the rock

β-Roselite

Formula: 
Ca2(Co2+,Mg)(AsO4)2·2H2O
Crystal System: 
Triclinic
Hardness: 
3.5 - 4.0
Streak: 
Red, pale
Type Locality: 
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

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

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

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