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Fluorcalcioroméite

Type Locality
Starlera Mine, Starlera Valley, Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland
Mineral Data
(Ca,Na)2Sb5+ 2O6(F,OH)
Physical Properties
Streak: 
White
Hardness: 
5.5 - 0.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Fluorcalcioromeite