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Aurichalcite Rosasite & Hemimorphite

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NST641321

Aurichalcite Rosasite & Hemimorphite

Description Tabs

Description
Locality: 
79 Mine, Chilito, Banner District, Gila County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4 × 1 cm
Description

A nice miniature showing greenish-blue crystals of aurichalcite, balls of rosasite and greyish transparent hemimorphites.

Mineral Data
What's on the rock

Aurichalcite

Formula: 
(Zn,Cu)5(CO3)2(OH)6
Strunz: 
5.BA.15
Crystal System: 
Monoclinic - Prismatic
Hardness: 
1.0 - 2.0
Type Locality: 
Loktevskoye Mine (Loktevskii Mine), Upper Loktevka River, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia

Rosasite

Formula: 
(Cu,Zn)2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Rosas Mine, Narcao, Carbonia-Iglesias Province, Sardinia, Italy

Hemimorphite

Formula: 
Zn4Si2O7(OH)2·H2O
Strunz: 
9.BD.10
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Băiţa Mining District (Baita Bihor; Rézbánya), Nucet, Bihor Co., Romania