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Wavellite Metavauxite & Cassiterite

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ESM597631

Wavellite Metavauxite & Cassiterite

Description Tabs

Description
Locality: 
Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosi Department, Bolivia
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 2.5 × 1.8 cm
Description

Botryoidal wavellite with minor metavauxite and cassiterite

Mineral Data
What's on the rock

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

Metavauxite

Formula: 
Fe2+Al2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.25
Hardness: 
3.0
Streak: 
White
Type Locality: 
Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosí Department, Bolivia

Cassiterite

Formula: 
SnO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal
Hardness: 
6.0 - 7.0