Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Marcasite from
Miron Quarry, Montréal, Québec, Canada


Locality type:Quarry
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Miron Quarry, Montréal, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:612372
Long-form Identifier:1:3:612372:7
GUID (UUID V4):0
Nearest other occurrences of Marcasite
1.8km (1.1 miles) ⓘFrancon quarry, Montréal, Québec, Canada
9.7km (6.0 miles) ⓘLafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry), Montréal-Est, Montréal, Québec, Canada
18.8km (11.7 miles) ⓘSaint-Eustache Quarry (Carrière et pavage Saint-Eustache; Mathers Quarry), Saint-Eustache, Deux-Montagnes RCM, Laurentides, Québec, Canada
23.2km (14.4 miles) ⓘDulude Quarry (DJL - Carrière Mont-Bruno), Mont Saint Bruno, Saint-Bruno-de-Montarville, Longueuil TE, Montérégie, Québec, Canada
25.0km (15.5 miles) ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
31.0km (19.3 miles) ⓘSaint-Philippe Quarry (DJL Quarry), Saint-Philippe, Roussillon RCM, Montérégie, Québec, Canada
37.9km (23.5 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
47.2km (29.3 miles) ⓘSainte-Clotilde-de-Châteauguay quarry (Marcil quarry), Sainte-Clotilde-de-Châteauguay, Les Jardins-de-Napierville RCM, Montérégie, Québec, Canada
55.5km (34.5 miles) ⓘMeloche quarry, Coteau-du-Lac, Vaudreuil-Soulanges RCM, Montérégie, Québec, Canada
57.3km (35.6 miles) ⓘGalipeau quarry, Beauharnois-Salaberry RCM, Montérégie, Québec, Canada
References
Horváth collection - XRD & EDS
 
and/or  
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