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Fluoro-richterite

Type Locality
Pit No. 97 (N97 Mine), Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Mineral Data
{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2
Strunz: 
9.DE.20
Physical Properties
Crystal System: 
Monoclinic
Streak: 
white
Hardness: 
5.0 - 6.0
Synonyms
Synonyms: 
Fluoro Richterite and Fluor-richterite