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Phosphosiderite Kidwellite & Variscite

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SER772441

Phosphosiderite Kidwellite & Variscite

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 3.5 × 3.1 cm
Description

Flowers of purple phosphosiderite on a carpet of green kidwellite and some red  variscite crystals

Mineral Data
What's on the rock

Phosphosiderite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.5 - 4.0
Type Locality: 
Kalterborn Mine, Eiserfeld, Siegerland, North Rhine-Westphalia, Germany

Kidwellite

Formula: 
NaFe3+9(PO4)6(OH)11·3H2O
Strunz: 
8.DK.20
Hardness: 
3.0
Streak: 
yellow
Type Locality: 
Fodderstack Mountain, Norman, Montgomery Co., Arkansas, USA

Variscite

Formula: 
AlPO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Streak: 
White
Type Locality: 
Meßbach Quarry, Meßbach, Plauen, Vogtland, Saxony, Germany