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Cyanotrichite & Chalcoalumite

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RBM190245

Cyanotrichite & Chalcoalumite

Description Tabs

Description
Locality: 
Copaquire, Collahuasi District, Tamarugal Province, Tarapacá Region, Chile
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.3 × 2.6 cm
Description

Intense blue cyanotrichite nodules accompanied by light blue nodules of chalcoalumite and crystals of selenite.

Mineral Data
What's on the rock

Cyanotrichite

Formula: 
Cu4Al2(SO4)(OH)12·2H2O
Strunz: 
7.DE.10
Crystal System: 
Orthorhombic
Hardness: 
1.0 - 3.0
Type Locality: 
Moldova Nouă (Neumoldowa), Moldova Nouă-Sasca Cu-Mo ore field, Banat Mts, Caraş-Severin Co., Romania

Chalcoalumite

Formula: 
CuAl4(SO4)(OH)12·3H2O
Strunz: 
7.DD.75
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Copper Queen Mine (Halero Mine), Queen Hill, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA

Seller Information

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