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Chrysocolla & Fornacite

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NST717722

Chrysocolla & Fornacite

Description Tabs

Description
Locality: 
Eagle Eye Mine, New Water District, La Paz County, Arizona, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.3 × 1.8 cm
Description

A boxed sample of sea-blue Chrysocolla needles (probably pseudomorphs)and dark olive-green Fornacites from Eagle Eye Mine.

Mineral Data
What's on the rock

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5

Fornacite

Formula: 
Pb2Cu(CrO4)(AsO4)(OH)
Strunz: 
7.FC.10
Hardness: 
2.0 - 3.0
Type Locality: 
Renéville Mine (Djoué Mines), Renéville, Kindanba District, Pool Department, Republic of Congo (Brazzaville)