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Englishite Variscite & Wavellite

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TPX211467

Englishite Variscite & Wavellite

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.3 × 2 cm
Description

Nice sample of englishite, with variscite and wavellite.

Mineral Data
What's on the rock

Englishite

Formula: 
K3Na2Ca10Al15(PO4)21(OH)7·26H2O
Strunz: 
8.DH.55
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, 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

Wavellite

Formula: 
Al3(PO4)2(OH,F)3·5H2O
Strunz: 
8.DC.50
Hardness: 
3.5 - 4.0
Streak: 
White.
Type Locality: 
High Down Quarry, Filleigh, North Devon, Devon, England, UK

Seller Information

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