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Hyalite On Conichalcite

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GND27459

Hyalite On Conichalcite

Ex Cowen Collection (South Australia)

Description Tabs

Description
Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve, Olary Province, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 3 × 1.2 cm
Description

Clear botryoidal hyalite coating bright green conichalcite with minor chrysocolla.

Mineral Data
What's on the rock

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white

Conichalcite

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