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Penfieldite & Cotunnite

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JYJ812695

Penfieldite & Cotunnite

Description Tabs

Description
Locality: 
Margarita Mine, Caracoles, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.2 × 0.5 cm
Description

Colourless penfieldite associated with black cotunnite and a blue Cu-Chloride-mineral from the Margarita mine, Chile. 

 

Mineral Data
What's on the rock

Penfieldite

Formula: 
Pb2Cl3(OH)
Strunz: 
3.DC.15
Hardness: 
3.0 - 4.0
Type Locality: 
Lavrion District slag localities, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Cotunnite

Formula: 
PbCl2
Strunz: 
3.DC.85
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy