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

Muscovite from
Clay Deposit (3), Garrison, Garrison Area, Powell County, Montana, USA


Locality type:Deposit
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Clay Deposit (3), Garrison, Garrison Area, Powell County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:998972
Long-form Identifier:1:3:998972:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.0km (0.6 miles) ⓘClay Deposit (2), Garrison, Garrison Area, Powell County, Montana, USA
5.0km (3.1 miles) ⓘClay Deposit, Garrison, Garrison Area, Powell County, Montana, USA
6.2km (3.8 miles) ⓘAl Deposit, Garrison, Boulder Mountains Area, Powell County, Montana, USA
17.6km (10.9 miles) ⓘClay Deposit Near Hoover Creek, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA
17.9km (11.1 miles) ⓘClay Deposit Near Haskell, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA
19.1km (11.9 miles) ⓘMajestic Claim (Snow Bunny Prospect), Rose Mountain Area, Powell County, Montana, USA
19.9km (12.4 miles) ⓘClay Deposit, Hoover Creek Road, Pioneer Mining District (Gold Creek Mining District), Powell County, Montana, USA
20.8km (12.9 miles) ⓘUnnamed Clay deposit [5], Douglas Mountain, Dunkleberg Mining District, Granite County, Montana, USA
21.7km (13.5 miles) ⓘPotosi Shaft, Rose Mountain Mining District (Gold Creek Mining District), Granite County, Montana, USA
37.0km (23.0 miles) ⓘUnnamed Clay deposit [4], Bradman, Granite County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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 03:50:14
Go to top of page