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Cyanotrichite Brochantite Azurite & Philipsbornite On Malachite

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CLB575289

Cyanotrichite Brochantite Azurite & Philipsbornite On Malachite

ex collection Michael Shannon

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: 
6.5 × 5.5 × 2.5 cm
Description

Blue acicular cyanotrichite crystals with acicular geeen brochantite, massy green malachite, minor darker blue azurite and yellowish philipsbornite.

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

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...

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

Philipsbornite

Formula: 
PbAl3(AsO4)2(OH)5·H2O
Strunz: 
8.BL.10
Crystal System: 
trigonal
Hardness: 
4.5
Type Locality: 
Red Lead Mine, Dundas mineral field, Zeehan district, Tasmania, Australia

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Seller Information

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