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Conichalcite & Chrysocolla

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Conichalcite & Chrysocolla

Description Tabs

Description
Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve, Olary Province, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 4.5 × 1.2 cm
Description

Lime green crusts of conichalcite, CaCu(AsO4)(OH) occur with aqua blue chrysocolla on a thin matrix.

Some minor associated clear hyalite has formed on some of the conichalcite.

Lovely under magnification.

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Gondwana Minerals