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

Magnetite from
Douglas Flat placers, Douglas Flat, Vallecito Mining District, Calaveras County, California, USA


Locality type:Placer
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Douglas Flat placers, Douglas Flat, Vallecito Mining District, Calaveras County, California, USA
Data Identifiers
Mindat Occurrence Record ID:323772
Long-form Identifier:1:3:323772:4
GUID (UUID V4):0
Nearest other occurrences of Magnetite
5.4km (3.4 miles) ⓘPonderosa prospect, Soapstone Hill, Murphys, Murphys Mining District (Esmeralda Mining District; Sperry Mining District), East Belt, Calaveras County, California, USA
11.6km (7.2 miles) ⓘIron Rock Mine, Carson Hill, Carson Hill Mining District (Melones Mining District), Calaveras County, California, USA
12.3km (7.7 miles) ⓘMelones Mine, Carson Hill Gold Mining Company Mines (Carson Hill Mines), Melones, Carson Hill Mining District (Melones Mining District), Calaveras County, California, USA
18.2km (11.3 miles) ⓘBear Mountain Ranch occurrence, Copperopolis, Foothill Copper Belt, Calaveras County, California, USA
19.4km (12.1 miles) ⓘJamestown Mine (Jamestown group), Jamestown, Jamestown District, Tuolumne County, California, USA
27.3km (17.0 miles) ⓘMcCormick Mine (McCormick property; Terry and Sell lease [WWI]), Yosemite Junction, Tuolumne County, California, USA
31.4km (19.5 miles) ⓘMokelumne River, Amador County, California, USA
33.5km (20.8 miles) ⓘJackson Butte, Amador County, California, USA
43.5km (27.0 miles) ⓘDu Frene prospect (Dufrene prospect; Empire Mine; Pacific Mine), Sunnybrook, Pardee Mining District, Amador County, California, USA
48.5km (30.1 miles) ⓘCamanche Mining District, San Joaquin County, California, 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 11:40:21
Go to top of page