Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Montmorillonite from
Francon quarry, Montréal, Québec, Canada


01034920017365220615608.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
02358990017365220626498.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
01034920017365220615608.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
02358990017365220626498.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
01034920017365220615608.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
02358990017365220626498.jpg
Montmorillonite, etc.

Francon quarry, Montréal, Québec, Canada
Locality type:Quarry
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Habit:flaky, fibrous spherical aggregates
Colour:white, grey
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Dolomite2
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Francon quarry, Montréal, Québec, Canada
Data Identifiers
Mindat Occurrence Record ID:7972
Long-form Identifier:1:3:7972:3
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
1.8km (1.1 miles) ⓘMiron Quarry, Montréal, Québec, Canada
23.2km (14.4 miles) ⓘDemix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada
36.2km (22.5 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
References
176-178.
Grice, Joel (1989) A Mineral Locality in Montreal City. In Famous Mineral Localities of Canada. Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences. p.109-114.
Tarassoff, Peter, Horváth, László, Pfenninger-Horváth, Elsa (2006) Famous mineral localities: The Francon Quarry, Montreal, Quebec, Canada. The Mineralogical Record, 37 (1) 5-60
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 23:52:50
Go to top of page