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Conichalcite & Calcite On Chrysocolla

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PJM131527

Conichalcite & Calcite On Chrysocolla

Description Tabs

Description
Locality: 
Dome Rock Copper Mine, Boolcoomatta Reserve, Olary Province, South Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
10.8 × 6.1 × 2.7 cm
Description

Pale tan coloured, translucent sparys of scalahedron calcite crystals on spherical groups of light green conichalcite over chrysocolla coloured black by tenorite inclusions

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Chrysocolla

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

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