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Magnesio-Arfvedsonite

#BAC61343
SOLD
Magnesio-arfvedsonite from Tirodi mines, Madhya Pradesh, India - BAC61343
Magnesio-arfvedsonite from Tirodi mines, Madhya Pradesh, India - BAC61343

Magnesio-Arfvedsonite

#BAC61343
Availability
Sold
Size
6 x 4.5 x 3 cm - Sm Cabinet 
Formula
NaNa2(Mg4Fe3+)Si8O22(OH)2 (RRUFF)
Locality
Tirodi mines, Madhya Pradesh, India

The purple mineral was formerly known as "winchite", but was redescribed and now known as Magnesio-arfvedsonite. 

Magnesio-arfvedsonite

Formula
NaNa2(Mg4Fe3+)Si8O22(OH)2 
Crystal System
Monoclinic 
Luster
Vitreous (Glassy) 
Color
black, gray 
Class
Monoclinic - Prismatic 
Hardness
5-6 

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection
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