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Cobaltaustinite & Erythrite

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PJM38507

Cobaltaustinite & Erythrite

Description Tabs

Description
Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve, Olary Province, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.8 × 9 × 5.9 cm
Description

On a concoidal section of cobalt rich matrix, hundreds of micro cobaltite crystals have been altered to smolianinovite, erythrite and dark green cobaltaustinite.
Where cracks has formed in the matrix insitu, erythrite has spread bright pink crystallised tendrils throughout the voids created, areas of green on the matrix give evidence of a similiar thing happening with the cobaltaustinite

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

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany
Earthstones Australia

Seller Information

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Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.