Vote for your favorite mineral in #MinCup26! - Erythrite vs. Skutterudite
Pretty pink and poisonous Erythrite is against its shiny silver and structurally-useful Skutterudite.
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

Electrum from
Mena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft), Ralston Buttes Mining District, Jefferson County, Colorado, USA


Locality type:Mine
Classification
Species:Native Gold var: Electrum
Formula:(Au,Ag)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Electrum data
Locality Data:Click here to view Mena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft), Ralston Buttes Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:435596
Long-form Identifier:1:3:435596:0
GUID (UUID V4):0
Nearest other occurrences of Electrum
24.7km (15.4 miles) ⓘCash Mine, Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
24.9km (15.5 miles) ⓘChicago Creek, Clear Creek County, Colorado, USA
30.5km (19.0 miles) ⓘDixie Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
31.0km (19.3 miles) ⓘBaxter (Boston; Columbia; Madelaine; Niwot; Sullivan No. 5; Utica Occurrence), Ward Mining District, Boulder County, Colorado, USA
69.5km (43.2 miles) ⓘFarncomb Hill, French Gulch, Breckenridge Mining District, Summit County, Colorado, USA
94.5km (58.7 miles) ⓘHock Hocking Mine (Hock Hock), Alma, Alma Mining District, Park County, Colorado, USA
99.8km (62.0 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle 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 2, 2026 00:32:55
Go to top of page