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Kupletskite

Type Locality
Kuivchorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Mineral Data
(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4F
Strunz: 
9.DC.05
Physical Properties
Crystal System: 
Triclinic
Streak: 
Brown
Hardness: 
4.0