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Alumo-chalcosiderite

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PDM801343

Alumo-chalcosiderite

Description Tabs

Description
Locality: 
Alborz, Tehran Province, Iran
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.8 × 2.8 cm
Description

Very rich specimen of microcrystalline bluish-green chalcosiderite, variety alumo-chalcosiderite from Alborz (Iran). Nice specimen of a very rare species and locality, and of good size.

Exchanged in 1970 with M. Borzée. Ex. René Virlet specimen.

Mineral Data
What's on the rock

Alumo-chalcosiderite

Variety Of: 

Chalcosiderite

Formula: 
Cu(Fe3+,Al)6(PO4)4(OH)8·4H2O
Strunz: 
8.DD.15
Hardness: 
4.5
Formula: 
Cu(Fe,Al)6(PO4)4(OH)8·5H2O
Hardness: 
0.0

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