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Kunatite Krásnoite & Chalcosiderite

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GMN520419

Kunatite Krásnoite & Chalcosiderite

Type Locality

Description Tabs

Description
Locality: 
Huber Stock, Krásno, Horní Slavkov, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.8 cm
Description

Bright green kunatite crystals with white krasnoite aggregates, and aquamarine blue chalcosiderite crystals on matrix.

Mineral Data
What's on the rock

Kunatite

Formula: 
CuFe3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Hardness: 
0.0
Type Locality: 
Lake Boga granite quarry, Lake Boga, Swan Hill Rural City, Victoria, Australia

Krásnoite

Formula: 
Ca3Al7.7Si3P4O23.5(OH)12.1F2·8H2O
Strunz: 
8.DO.20
Hardness: 
0.0
Type Locality: 
Huber stock (Huber shaft; Hub stock), Krásno (Schönfeld), Horní Slavkov (Schlaggenwald), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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

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