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Native Copper Tenorite & Ktenasite

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PJM222250

Native Copper Tenorite & Ktenasite

Description Tabs

Description
Locality: 
Selwyn Mine, Selwyn, Cloncurry Shire, Queensland, Australia
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 3.7 × 2.7 cm
Description

 A tree like group of hacky native copper crystals with a coating of black tenorite and associated with translucent white calcite and grainy green ktenasite

Mineral Data
What's on the rock

Copper

Formula: 
Cu
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Tenorite

Formula: 
CuO
Strunz: 
4.AB.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Streak: 
Black
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Ktenasite

Formula: 
Zn(Cu,Zn)4(SO4)2(OH)6·6H2O
Strunz: 
7.DD.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Jean Baptiste Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece
Earthstones Australia

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