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Cuatrocapaite-(K)

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Cuatrocapaite-(K)

Description Tabs

Description
Locality: 
Torrecillas Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.5 × 0.9 cm
Description

Colourless EDS confirmed K end-member of cuatrocapaite. Very rare, crystals are typically smaller than cuatrocapaite-(NH4). G. Möhn confirmation and specimen. Associated with native arsenic and torrecillasite. 

Mineral Data
What's on the rock

Cuatrocapaite-(K)

Formula: 
(K)3(NaMg☐)(As2O3)6Cl6·16H2O
Crystal System: 
Trigonal
Type Locality: 
Torrecillas mine, Salar Grande, Iquique Province, Tarapacá Region, Chile