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Metavauxite Vauxite & Paravauxite

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SER213066

Metavauxite Vauxite & Paravauxite

Rare minerals
Type Locality

Description Tabs

Description
Locality: 
Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosi Department, Bolivia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 5 × 0.9 cm
Description

A good specimen featuring several groups of blue vauxite and colourless paravauxite covered by tiny tufts of white metavauxite; the last one is very rare and Siglo veinte mine is the type locality of all three minerals

Mineral Data
What's on the rock

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

Vauxite

Formula: 
Fe2+Al2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.35
Hardness: 
3.5
Streak: 
White
Type Locality: 
Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosí Department, Bolivia

Paravauxite

Formula: 
Fe2+Al2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
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