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Perraultite
Type Locality
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Mineral Data
BaNaMn
2+
4
Ti
2
(Si
2
O
7
)
2
O
2
(OH)
2
F
Strunz:
9.BE.67
Physical Properties
Crystal System:
Monoclinic
Hardness:
6.5 - 4.0
