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Chalcoalumite & Cyanotrichite

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SCH107180

Chalcoalumite & Cyanotrichite

Description Tabs

Description
Locality: 
Grand View Mine, Grand Canyon, Coconino County, Arizona, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.2 × 3.8 cm
Description

A specimen with very pale bluish botryoidal chalcoalumite lining a vug which extends for the better part of matrix. There are sprays of blue acicular cyanotrichite crystals scattered about the chalcoalumite.

 

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
schani

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