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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Dawsonite from
Dulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada


05367480017369875426499.jpg
Dawsonite

Dulude Quarry, Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
05367480017369875426499.jpg
Dawsonite

Dulude Quarry, Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
08072840017369875482422.jpg
Dawsonite

Dulude Quarry, Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
Locality type:Quarry
Classification
Species:Dawsonite
Formula:NaAlCO3(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dawsonite data
Locality Data:Click here to view Dulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:63518
Long-form Identifier:1:3:63518:9
GUID (UUID V4):0
Nearest other occurrences of Dawsonite
11.8km (7.4 miles) ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
14.7km (9.1 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
17.2km (10.7 miles) ⓘLafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry), Montréal-Est, Montréal, Québec, Canada
18.7km (11.7 miles) ⓘRosemont quarry, Montréal, Québec, Canada
19.4km (12.1 miles) ⓘVille Marie Expressway (Autoroute 720), Montréal, Québec, Canada
20.2km (12.6 miles) ⓘMcGill University campus, Mont Royal, Montréal, Québec, Canada
20.4km (12.7 miles) ⓘMcTavish Reservoir (Rutherford Park; Lower Reservoir; Montreal Reservoir), Mont Royal, Montréal, Québec, Canada
21.5km (13.3 miles) ⓘFrancon quarry, Montréal, Québec, Canada
22.6km (14.0 miles) ⓘCorporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada
23.2km (14.4 miles) ⓘMiron Quarry, Montréal, Québec, Canada
References
Can Mineral August 1978 v. 16 no. 3 p. 471-474
MANDARINO, J.A. & HARRIS, D.C. (1965) New Canadian mineral occurrences. Canadian Mineralogist, 8, 377-381.
 
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