Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for your votes!
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

Alunite from
Beartown Mining District (Bear Creek Mining District), San Juan County, Colorado, USA


Locality type:Mining District
Classification
Species:Alunite
Formula:KAl3(SO4)2(OH)6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Alunite data
Locality Data:Click here to view Beartown Mining District (Bear Creek Mining District), San Juan County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:428278
Long-form Identifier:1:3:428278:5
GUID (UUID V4):0
Nearest other occurrences of Alunite
18.9km (11.7 miles) ⓘSilver Ledge, San Juan County, Colorado, USA
21.8km (13.5 miles) ⓘZuni Mine, Anvil Mountain, San Juan County, Colorado, USA
26.9km (16.7 miles) ⓘNational Belle Mine, Ouray County, Colorado, USA
27.1km (16.8 miles) ⓘGenesee-Vanderbilt Mine, Ouray County, Colorado, USA
32.0km (19.9 miles) ⓘRed Mountain Alunite Deposit, Lake City Mining District, Hinsdale County, Colorado, USA
36.9km (22.9 miles) ⓘSlumgullion Earthflow (Slumgullion mud flow), Hinsdale County, Colorado, USA
37.0km (23.0 miles) ⓘGolden Wonder Mine, Lake City Mining District, Hinsdale County, Colorado, USA
46.5km (28.9 miles) ⓘRico Mining District (Pioneer Mining District), Montezuma County, Colorado, USA
47.7km (29.7 miles) ⓘPiedra Peak - Red Mountain Alunite Deposits (Colorado Tunnel), Piedra Peak-South River Peak-Red Mountain Area, Mineral County, Colorado, USA
51.7km (32.1 miles) ⓘCalico Peak Alunite Deposit, Horse Creek, Rico Mining District (Pioneer Mining District), Rico Mountains, Dolores County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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 5, 2026 07:45:49
Go to top of page