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

Ferrimolybdite from
Cosumnes Copper Mine, Fair Play, Fairplay Mining District, El Dorado County, California, USA


Locality type:Mine
Classification
Species:Ferrimolybdite
Formula:Fe2(MoO4)3 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferrimolybdite data
Locality Data:Click here to view Cosumnes Copper Mine, Fair Play, Fairplay Mining District, El Dorado County, California, USA
Data Identifiers
Mindat Occurrence Record ID:135751
Long-form Identifier:1:3:135751:6
GUID (UUID V4):0
Nearest other occurrences of Ferrimolybdite
34.7km (21.6 miles) ⓘMoore Creek Mine (Moore Creek deposit; Bay Horse Mine; Whitehorse; White Horse Mine), Garnet Hill, Calaveras County, California, USA
76.4km (47.5 miles) ⓘWisconsin Quartz Mine (Menlo; Wisconsin-Illinois; Wisconsin and Illinois claim), Empire West Mine (Lone Ridge), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
80.9km (50.3 miles) ⓘNevada City, Nevada City Mining District, Nevada County, California, USA
88.2km (54.8 miles) ⓘExcelsior Mine (Excelsior group; Wotall; Lake/Blue Fox/C.B.C./Mammoth; Great Western Extension/California; Green Emigrant/Indian Boy/Pacific; New Hope/North Mammoth/Dam End; Great Eastern/Great Western; Confidence/Golden Eagle; Union No. 1 & 2 claims; Of What No. 1 & 2 claims), Summit City, Meadow Lake Mining District, Nevada County, California, USA
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 185
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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 14:28:50
Go to top of page