LIVE REPORT! Munich Show 2026 - last updated 1 minute ago. Click here to watch.
Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Nontronite from
Apex prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA


Locality type:Prospect
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Apex prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1622207
Long-form Identifier:1:3:1622207:4
GUID (UUID V4):0
Nearest other occurrences of Nontronite
0.9km (0.5 miles) ⓘBonanza prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
1.6km (1.0 miles) ⓘNorth pit, Golden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
39.1km (24.3 miles) ⓘBerkeley Pit, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
77.4km (48.1 miles) ⓘSilver Coin Mine, Blue Cloud Mining District, Lewis and Clark County, Montana, USA
References
Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp.
 
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: October 22, 2026 09:30:11
Go to top of page