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Namansilite

About
Group Parent: 
Type Locality
Dzhavodi Area, Ir-Nimi manganese deposit, Taikan Ridge, Khabarovskiy Kray, Far-Eastern Region, Russia
Mineral Data
NaMn3+Si2O6
Strunz: 
9.DA.25
Physical Properties
Crystal System: 
Monoclinic
Streak: 
brown-red
Hardness: 
6.0 - 7.0