LIVE REPORT! Munich Show 2026 - last updated 18 minutes 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

Montmorillonite from
Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden


03310610017368764395506.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
05036430017272008925985.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
06886580017272041111873.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
05036430017272008925985.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
06886580017272041111873.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
06934520017368764398690.jpg
Montmorillonite, etc.

Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Rhodochrosite2
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Bölet Manganese Mines, Undenäs, Karlsborg, Västra Götaland County, Sweden
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:139753
Long-form Identifier:1:3:139753:6
GUID (UUID V4):0
References
Sandtsröm, Frej (2002) Mangangruvor och -skärpningar i Karlsborgs kommun, Västergötland. Litofilen. Medlemsblad för Västerås AmatörGeologiska Sällskap, 19 (1) 22-38
 
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 11:11:05
Go to top of page