Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Kaolinite from
Canadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada


Locality type:Tunnel
Classification
Species:Kaolinite
Formula:Al2(Si2O5)(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kaolinite data
Locality Data:Click here to view Canadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:697305
Long-form Identifier:1:3:697305:6
GUID (UUID V4):0
Nearest other occurrences of Kaolinite
4.4km (2.8 miles) ⓘMcGill University campus, Mont Royal, Montréal, Québec, Canada
5.5km (3.4 miles) ⓘMiron Quarry, Montréal, Québec, Canada
6.4km (4.0 miles) ⓘFrancon quarry, Montréal, Québec, Canada
15.6km (9.7 miles) ⓘRivermont Quarry, Kahnawake, Roussillon RCM, Montérégie, 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
References
Finley (1930)
 
and/or  
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