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Calamaite

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Calamaite

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Description
Locality: 
Alcaparrosa Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.5 × 2.3 cm
Description

Colourless calamaite on römerite. Very rare mineral with some pickeringite, which is more fuzzy. 

Confirmed specimen by G. Möhn. 

Mineral Data
What's on the rock

Calamaite

Formula: 
Na2TiO(SO4)2·2H2O
Crystal System: 
Orthorhombic
Type Locality: 
Alcaparrosa Mine, Cerritos Bayos, Antofagasta Region, Chile