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Haineaultite

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
(Na,Ca)5Ca(Ti,Nb)5(Si6O17)2(OH,F)8·5H2O
Strunz: 
9.DG.50
Physical Properties
Streak: 
white
Hardness: 
3.0 - 4.0
Tenacity: 
brittle
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