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Koashvite

Type Locality
Koashva quarry, Koashva Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
Na6(Ca,Mn)(Ti,Fe)Si6O18·H2O
Strunz: 
9.CJ.15c
Physical Properties
Hardness: 
6.0