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Plancheite & Fornacite

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SHS624632

Plancheite & Fornacite

Description Tabs

Description
Locality: 
Eagle Eye Mine, New Water District, La Paz County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.1 × 1 cm
Description

Plancheite and fornacite on matrix

Mineral Data
What's on the rock

Plancheite

Formula: 
Cu8(Si8O22)(OH)4·H2O
Strunz: 
9.DB.35
Crystal System: 
Orthorhombic
Hardness: 
6.0
Type Locality: 
Sanda carriere (Sanda quarry; Sanda Mine), Mindouli, Mindouli District, Pool Department, Republic of Congo (Brazzaville)

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)