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Vauxite

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PDM722912

Vauxite

Gem Crystal

Description Tabs

Description
Locality: 
Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosi Department, Bolivia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.6 × 0.3 cm
Description

Crust of aggregated sharp vauxite crystals of very good lustre and intense blue colour. Nice representative specimen of this beautiful and rare phosphate from the type locality. All crystals are in perfect condition.

Acquired in 1991. Ex. Marie-Anne Castiaux.

Mineral Data
What's on the rock

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

Seller Information

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