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Erionite-Ca

Type Locality
Maze (Mazé), Niigata City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Mineral Data
(Ca,K2,Na2)2[Al4Si14O36]·15H2O
Strunz: 
9.GD.20
Physical Properties
Colour: 
White
Streak: 
White
Hardness: 
3.5 - 4.0
Synonyms
Synonyms: 
Erionite Ca and Erionite - Ca