Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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

Chromium-bearing Clinochlore from
Brown Mine (High Plateau Browns Mine), High Plateau Mountain, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA


Locality type:Mine
Classification
Species:Clinochlore var: Chromium-bearing Clinochlore
Formula:Mg5(Al,Cr)2Si3O10(OH)8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chromium-bearing Clinochlore data
Locality Data:Click here to view Brown Mine (High Plateau Browns Mine), High Plateau Mountain, Rockland, Diamond Creek Mining District, Klamath Mountains, Del Norte County, California, USA
Data Identifiers
Mindat Occurrence Record ID:650670
Long-form Identifier:1:3:650670:4
GUID (UUID V4):0
Nearest other occurrences of Chromium-bearing Clinochlore
6.5km (4.1 miles) ⓘAngela Chromite Mine (Angela deposit), Gasquet, Klamath Mountains, Del Norte County, California, USA
6.7km (4.1 miles) ⓘBlackjack deposit, Gasquet, Klamath Mountains, Del Norte County, California, USA
8.2km (5.1 miles) ⓘHigh Plateau Mine, Gasquet, Klamath Mountains, Del Norte County, California, USA
18.6km (11.6 miles) ⓘCamp Eight Mine (Camp 8 claim; Camp 8 group; St. Patrick claim), Gordon Mountain, Klamath Mountains, Del Norte County, California, USA
19.5km (12.1 miles) ⓘFrench Mine, Cant Hook Mountain, Klamath Mountains, Del Norte County, California, USA
19.9km (12.4 miles) ⓘGrumpy claim (Grumpy Mine; Grumpy and Stevens Mine [?]), Gordon Mountain, Klamath Mountains, Del Norte County, California, USA
26.3km (16.3 miles) ⓘDoe Flat Chromite Mine (Comeback claim; Doe Flat claim), Youngs Valley group, Bear Mountain, Klamath Mountains, Siskiyou County, California, USA
26.5km (16.5 miles) ⓘOld Doe Mine, Little Rattlesnake Mountain, Klamath Mountains, Del Norte County, California, USA
28.1km (17.5 miles) ⓘBig Five Mine (Inman No. 5 Mine), Little Rattlesnake Mountain, Klamath Mountains, Del Norte County, California, USA
28.3km (17.6 miles) ⓘCyclone Gap Mine (Mammoth Mine), El Capitan, Klamath Mountains, Siskiyou County, California, USA
References
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 136, 193
 
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 3, 2026 02:46:06
Go to top of page