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Clinoclase With Conichalcite & Hyalite

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PJM41692

Clinoclase With Conichalcite & Hyalite

Description Tabs

Description
Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve, Olary Province, South Australia, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.4 × 3.4 × 2.7 cm
Description

Dark electic blue crystals of clinoclase are randomly scattered and in small rosettes on a contrasting dark brown matrix, one side of the display face of this specimen has deep green conchalcite which has a coat of clear hyalite. The clinoclase also runs over the side and back of this miniature specimen from Dome Rock in the arid Olary district of South Australia

Mineral Data
What's on the rock

Clinoclase

Formula: 
Cu3(AsO4)(OH)3
Strunz: 
8.BE.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK

Conichalcite

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

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
Earthstones Australia

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