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Thaumasite from
Autoroute 50 roadcut No.2, Grenville-sur-la-Rouge, Argenteuil RCM, Laurentides, Québec, Canada

Mineral Species
Formula:Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Quality of samples:not specified / average specimens
Validity:Believed Valid
References:Horváth collection XRD & EDS
Mineral Data:Click here to view Thaumasite data
Locality Data:Click here to view Autoroute 50 roadcut No.2, Grenville-sur-la-Rouge, Argenteuil RCM, Laurentides, Québec, Canada
Nearest other occurrences of Thaumasite
80.4km (50.0 miles) A Francon quarry, Montréal, Québec, Canada
81.8km (50.8 miles) B Corporation quarry, Mont Royal, Montréal, Québec, Canada
117.1km (72.7 miles) C Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
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