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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Natrolite from
Longueuil sill, Longueuil TE, Montérégie, Québec, Canada


Locality type:Sill
Classification
Species:Natrolite
Formula:Na2Al2Si3O10 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Natrolite data
Locality Data:Click here to view Longueuil sill, Longueuil TE, Montérégie, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:732889
Long-form Identifier:1:3:732889:3
GUID (UUID V4):0
Nearest other occurrences of Natrolite
5.8km (3.6 miles) ⓘRosemont quarry, Montréal, Québec, Canada
7.4km (4.6 miles) ⓘLafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry), Montréal-Est, Montréal, Québec, Canada
8.6km (5.3 miles) ⓘFrancon quarry, Montréal, Québec, Canada
8.8km (5.5 miles) ⓘMcTavish Reservoir (Rutherford Park; Lower Reservoir; Montreal Reservoir), Mont Royal, Montréal, Québec, Canada
10.2km (6.4 miles) ⓘMiron Quarry, Montréal, Québec, Canada
10.5km (6.5 miles) ⓘCorporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada
11.8km (7.3 miles) ⓘCanadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada
16.9km (10.5 miles) ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
27.6km (17.2 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
44.6km (27.7 miles) ⓘHusereau Hill, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada
References
Horváth collection
 
and/or  
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