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Riotintoite & Vendidaite

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JYJ691960

Riotintoite & Vendidaite

Description Tabs

Description
Locality: 
La Vendida Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 1.9 × 1.5 cm
Description

Colourless platy vendidaite with irregular shaped riotintoite on matrix. The sample is dominated by vendidaite. 

Rare mineral!

Mineral Data
What's on the rock

Riotintoite

Formula: 
Al(SO4)(OH)·3H2O
Crystal System: 
Triclinic
Colour: 
Colorless
Type Locality: 
La Vendida Mine, Antofagasta Province, Antofagasta Region, Chile

Vendidaite

Formula: 
Al2(SO4)(OH)3Cl·6H2O
Hardness: 
2.0 - 0.0
Colour: 
Colorless
Type Locality: 
La Vendida Mine (Rio Tinto Mine), Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile