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Gypsum from
Canadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada


Locality type:Tunnel
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Canadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:697304
Long-form Identifier:1:3:697304:9
GUID (UUID V4):0
Nearest other occurrences of Gypsum
6.4km (4.0 miles) ⓘFrancon quarry, Montréal, Québec, Canada
24.1km (15.0 miles) ⓘDulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
28.3km (17.6 miles) ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
38.6km (24.0 miles) ⓘPoudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
48.8km (30.3 miles) ⓘBauval Quarry, Salaberry-De-Valleyfield, Beauharnois-Salaberry RCM, Montérégie, Québec, Canada
64.1km (39.8 miles) ⓘTrudeau quarry, Sainte-Justine-de-Newton, Vaudreuil-Soulanges RCM, Montérégie, Québec, Canada
89.9km (55.9 miles) ⓘSaint-François quarry, Saint-Germain-de-Grantham, Drummond RCM, Centre-du-Québec, Québec, Canada
91.2km (56.7 miles) ⓘChateaugay iron mines, Lyon Mountain, Clinton County, New York, USA
References
Finley (1930)
 
and/or  
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