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Magnesiocanutite

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JYJ571169

Magnesiocanutite

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Description
Locality: 
Torrecillas Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 0.8 cm
Description

Light brown EDS analysed material of magnesiocanutite. IMA Status approved, pending publication. The Mn position is replaced by 2 Mg atoms. Material must be analysed, but it seems that the Mn dominant canutite is darker. See analysis section. 

Mineral Data
What's on the rock

Magnesiocanutite

Formula: 
NaMnMg2[AsO4]2[AsO2(OH)2]
Group Parent: 
Alluaudite
Crystal System: 
Monoclinic
Type Locality: 
Torrecillas Mine, El Tamarugal Province, Tarapacá Region, Chile