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

Electrum from
McFadden Group Mine (Altura; Yankee Fork Mine), Yankee Fork Mining District, Custer County, Idaho, 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 McFadden Group Mine (Altura; Yankee Fork Mine), Yankee Fork Mining District, Custer County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:449207
Long-form Identifier:1:3:449207:8
GUID (UUID V4):0
Nearest other occurrences of Electrum
2.8km (1.7 miles) ⓘSunbeam Mine, Yankee Fork Mining District, Custer County, Idaho, USA
3.2km (2.0 miles) ⓘGrouse Creek (Bismarck; Grouse Creek Venture; Bismark; Grouse Creek Open Pit; Grouse Creek Project; Grouse Creek Unit; Golden Sunbeam; Golden Sunbeam Mine), Yankee Fork Mining District, Custer County, Idaho, USA
8.1km (5.0 miles) ⓘIdaho Prospect (Idaho-Custer; Enterprise), Yankee Fork Mining District, Custer County, Idaho, USA
8.6km (5.3 miles) ⓘContinental Mine, Yankee Fork Mining District, Custer County, Idaho, USA
9.6km (6.0 miles) ⓘGray Eagle Mine (Bachelor Mountain Mine), Yankee Fork Mining District, Custer County, Idaho, USA
20.4km (12.7 miles) ⓘWilliams Mine, Custer County, Idaho, USA
79.5km (49.4 miles) ⓘBlackbird Mine, Blackbird mine complex, Blackbird Mining District, Lemhi County, Idaho, USA
96.5km (60.0 miles) ⓘSnowbird Mine (McRay Mine; McCrae; Red Bluffs), Valley County, Idaho, 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 02:25:17
Go to top of page