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Chalcosiderite

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Chalcosiderite

Description Tabs

Description
Locality: 
Wheal Phoenix, Linkinhorne, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 6.5 × 3 cm
Description

Nice old time specimen from the wheal Phoenix Mine displaying aggregates of crystalline chalcosiderite completely covering one side of the iron rich quartz matrix.

Mineral Data
What's on the rock

Chalcosiderite

Formula: 
Cu(Fe3+,Al)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Crystal System: 
Triclinic
Hardness: 
4.5
Type Locality: 
Phoenix United Mine, Minions, Linkinhorne, Liskeard District, Cornwall, England, UK