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Fluorapophyllite-(Na)

Type Locality
Sampo mine, Shitouyouze, Bicchu-cho (Bitchu-cho), Takahashi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Mineral Data
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Physical Properties
Crystal System: 
Orthorhombic
Hardness: 
4.0 - 5.0
Synonyms
Synonyms: 
Fluorapophyllite-Na, Fluorapophyllite Na and Fluorapophyllite - Na