Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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
Ray Mine, Scott Mountain, Pinal County, Arizona, USA


Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Ray Mine, Scott Mountain, Pinal County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:47205
Long-form Identifier:1:3:47205:8
GUID (UUID V4):0
Nearest other occurrences of Montmorillonite
12.1km (7.5 miles) ⓘUnnamed wash, adjacent to State Route 177, Superior area, Pinal County, Arizona, USA
18.7km (11.6 miles) ⓘ79 Mine, Chilito, Hayden area, Banner Mining District, Gila County, Arizona, USA
24.7km (15.3 miles) ⓘChristmas Mine, Christmas, Banner Mining District, Gila County, Arizona, USA
24.8km (15.4 miles) ⓘChristmas, Banner Mining District, Gila County, Arizona, USA
25.2km (15.6 miles) ⓘCopper Hill prospect, Crozier Peak area, Cottonwood Mining District, Tortilla Mountains, Pinal County, Arizona, USA
28.9km (17.9 miles) ⓘCastle Dome Mine (Castle Dome deposit; Pinto Valley deposit), Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area), Inspiration, Miami-Inspiration Mining District, Gila County, Arizona, USA
34.1km (21.2 miles) ⓘCopper Cities Mine, Copper Cities Mine area, Sleeping Beauty Peak, Miami, Miami-Inspiration Mining District, Globe-Miami Mining District, Gila County, Arizona, USA
40.5km (25.2 miles) ⓘPoston Butte deposit (Continental Oil Co. property; Aztec Exploration and Development Co. property; Florence Conoco; Florence Copper Co. property), Florence, Florence Mining District (Blackwater Mining District; Black Rock Mining District), Pinal County, Arizona, USA
69.1km (43.0 miles) ⓘGrand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa Mining District, Graham County, Arizona, USA
References
Jones, Robert W., Wilson, Wendell E. (1983) Famous Mineral Localities: The Ray Mine [Arizona]. The Mineralogical Record, 14 (5) 311-322
 
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 4, 2026 13:49:52
Go to top of page