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Pharmacoalumite

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CR40334

Pharmacoalumite

Rare Mineral

Description Tabs

Description
Locality: 
Rodalquilar, Andalusia, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.5 × 1.4 cm
Description

olourless microcrystals of the rare mineral alumopharmacosiderite in small vugs of the quartz matrix.

The recently analysed mineral was found at the famous Maria Josefa Mine in the Rodalquilar Gold mining district.

Mineral Data
What's on the rock

Pharmacoalumite

Formula: 
KAl4(AsO4)3(OH)4·6.5H2O
Strunz: 
8.DK.12
Crystal System: 
Isometric
Hardness: 
2.5 - 0.0
Streak: 
White
Type Locality: 
Guanaco (Huanaco), Santa Catalina, Antofagasta Province, Antofagasta Region, Chile