Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of 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

Epsomite from
Burleigh Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Epsomite
Formula:MgSO4 · 7H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epsomite data
Locality Data:Click here to view Burleigh Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:438459
Long-form Identifier:1:3:438459:5
GUID (UUID V4):0
Nearest other occurrences of Epsomite
0.1km (0.1 miles) ⓘMendota Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
0.2km (0.1 miles) ⓘMendota Mine - Victoria Tunnel & Shaft, Georgetown District, Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘDiamond Mine (Diamond Tunnel), Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
19.5km (12.1 miles) ⓘTopeka Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
19.8km (12.3 miles) ⓘTigris, Lawson Mining District, Clear Creek County, Colorado, USA
20.9km (13.0 miles) ⓘDruid Mine (Drvid Mine), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
42.1km (26.2 miles) ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
59.2km (36.8 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
68.0km (42.3 miles) ⓘTucson Mine, Iron Hill, Lake County, Colorado, USA
79.1km (49.2 miles) ⓘUnnamed coal mine, Weld 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 3, 2026 11:39:26
Go to top of page