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Chalcoalumite Cyanotrichite & Brochantite

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ESM581989

Chalcoalumite Cyanotrichite & Brochantite

Classic Locality

Description Tabs

Description
Locality: 
Grand View Mine, Grand Canyon, Coconino County, Arizona, United States of America
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.5 × 2.5 cm
Description

Turquoise colored sprays of chalcoalumite with deep blue cyanotrichite and deep green crystals of brochantite

Mineral Data
What's on the rock

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

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

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...