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Malachite & Quartz

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Malachite & Quartz

Description Tabs

Description
Locality: 
79 Mine, Chilito, Banner District, Gila County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.2 × 2.2 cm
Description

Quartz covered Malachite sprays on Psilomelane-rich matrix from 79 mine.

Mineral Data
What's on the rock

Malachite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White