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Johillerite

#61051

Johillerite

#61051
Availability
Sold
Size
2.5 x 2 x 1.3 cm - Thumbnail 
Formula
NaCuMg3(AsO4)3 (RRUFF)
Locality
Tolbachik Volcano, Kamchatka, Russia
Tagged
arsenate , copper

Purple crystal groups of Johillerite. Very rich. This is the third reported locality worldwide. 

Johillerite

Formula
NaCuMg3(AsO4)3 
Crystal System
Monoclinic 
Crystal Habit
Radial, Aggregates 
Cleavage
Perfect, Good, Good 
Luster
Vitreous (Glassy) 
Color
violet 
Class
Monoclinic - Prismatic 
Hardness

Data courtesy of Webmineral.

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