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

Chromite from
Whispering Pines prospect, Cobb, East Mayacmas Mining District, Lake County, California, USA


Locality type:Prospect
Classification
Species:Chromite
Formula:Fe2+Cr23+O4
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Chromite data
Locality Data:Click here to view Whispering Pines prospect, Cobb, East Mayacmas Mining District, Lake County, California, USA
Data Identifiers
Mindat Occurrence Record ID:328076
Long-form Identifier:1:3:328076:8
GUID (UUID V4):0
Nearest other occurrences of Chromite
1.6km (1.0 miles) Unnamed Cr occurrence [6], Cobb, East Mayacmas Mining District, Lake County, California, USA
3.8km (2.4 miles) Gordon Springs deposits, Cobb, East Mayacmas Mining District, Lake County, California, USA
5.8km (3.6 miles) Unnamed Cr occurrence [11], Howard Springs, East Mayacmas Mining District, Lake County, California, USA
5.8km (3.6 miles) Harp and Sons Ranch deposits, Middletown, East Mayacmas Mining District, Lake County, California, USA
7.7km (4.8 miles) Copsey claims (Manzanita; Uncle Josh claims; Mint; Coppey claim), Western Group of Lake County, Howard Springs, Lake County, California, USA
7.8km (4.8 miles) Warner and Clark claim, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA
8.0km (5.0 miles) Brown prospect, Caldwell Pines, East Mayacmas Mining District, Lake County, California, USA
8.2km (5.1 miles) Popp and Nichelini claim, Seigler Springs, Cobb, East Mayacmas Mining District, Lake County, California, USA
11.7km (7.3 miles) Red Hill claim (Juniper Ridge; Lock; Lock and Key; Culver Bear), Black Oaks, West Mayacmas Mining District, Sonoma County, California, USA
11.8km (7.4 miles) Great Western Mine (Laguna Western; Black Bart Mine; Tucker lease), Great Western-Mirabel group, Middletown, East Mayacmas Mining District, Lake County, California, USA
References
 
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 05:55:53
Go to top of page