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Jeremejevite

Type Locality
Soktuj Gora (Mount Soktuj), Adun-Cholon Range, Nerchinsk Gem mines, Nerchinsk (Nertschinsk), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Mineral Data
Al6(BO3)5(F,OH)3
Strunz: 
6.AB.15
Physical Properties
Crystal System: 
Hexagonal
Hardness: 
7.0
Synonyms
Synonyms: 
Jeremejewite