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Poudretteite
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
KNa
2
B
3
Si
12
O
30
Strunz:
9.CM.05
Physical Properties
Hardness:
5.0
