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Cyanotrichite & Chalcophyllite

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TPX928819

Cyanotrichite & Chalcophyllite

Rare Mineral

Description Tabs

Description
Locality: 
Grand View Mine, Grand Canyon, Coconino County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.2 × 1 cm
Weight: 
7.00gr
Description

Very interesting group of cyanotrichite and chalcophyllite on matrix from This classic American site.

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

Chalcophyllite

Formula: 
Cu18Al2(SO4)3(AsO4)3(OH)27·33H2O
Strunz: 
8.DF.30
Crystal System: 
Trigonal
Hardness: 
2.0

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