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

Osmiridium from
Ten Eyck Placer Mines Inc., Sugarloaf, Somes Bar, Klamath Mountains, Siskiyou County, California, USA


Classification
Species:Native Iridium var: Osmiridium
Formula:(Ir,Os,Ru)
Comments:91.67%; placer material.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Osmiridium data
Locality Data:Click here to view Ten Eyck Placer Mines Inc., Sugarloaf, Somes Bar, Klamath Mountains, Siskiyou County, California, USA
Data Identifiers
Mindat Occurrence Record ID:682489
Long-form Identifier:1:3:682489:1
GUID (UUID V4):0
Nearest other occurrences of Osmiridium
25.0km (15.6 miles) ⓘMichigan Salmon Hydraulic Mine (Red Hill Mine), Forks of Salmon, Klamath Mountains, Siskiyou County, California, USA
26.0km (16.1 miles) ⓘHydraulic Mine, Yoakumville, Klamath Mountains, Siskiyou County, California, USA
26.1km (16.2 miles) ⓘKlamath River Mine, Klamath River, Weitchpec, Weitchpec Mining District, Klamath Mountains, Humboldt County, California, USA
57.5km (35.7 miles) ⓘHammer property (Kammer property; South Fork Gold and Platinum Mining Company), Salyer, Willow Creek Mining District, Klamath Mountains, Trinity County, California, USA
78.7km (48.9 miles) ⓘValdor Dredge Mine (Trinity Center; Hertevant Mine), Red Hill, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA
92.6km (57.5 miles) ⓘJosephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
93.7km (58.2 miles) ⓘTrinity River placer, Douglas City, Weaverville District, Klamath Mountains, Trinity County, California, USA
References
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 3, 2026 02:54:41
Go to top of page