Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle for 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

Pyrolusite from
Wonder deposit, Groveland, Big Oak Flat Mining District, East Belt, Tuolumne County, California, USA


Locality type:Deposit
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Wonder deposit, Groveland, Big Oak Flat Mining District, East Belt, Tuolumne County, California, USA
Data Identifiers
Mindat Occurrence Record ID:336092
Long-form Identifier:1:3:336092:7
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
14.7km (9.1 miles) Caldwell Mine (Daly Mine), Granite Springs, Granite Springs Mining District, West Belt, Mariposa County, California, USA
15.7km (9.7 miles) Kelm prospect, Jasper Point, Hunter Valley Mountain, Hunter Valley Mining District, West Belt, Mariposa County, California, USA
29.0km (18.0 miles) Stonewall Mine (Pedro prospect; Pedro claim), Browns Flat, Columbia Mining District, East Belt, Tuolumne County, California, USA
32.9km (20.4 miles) Strickland prospect (Strickland deposit; Mabold and Camin prospect), Feliciana Mountain, Jerseydale Mining District, East Belt, Mariposa County, California, USA
34.9km (21.7 miles) Donnelly Carrier prospect (Donnelly property), Sweetwater Point, Jerseydale Mining District, East Belt, Mariposa County, California, USA
61.4km (38.2 miles) Daniels Dennis prospect (Daniels deposit), Lost City, West Belt, Calaveras County, California, USA
64.0km (39.8 miles) Fortner Ranch prospect (Fortner Ranch property), San Andreas area, Calaveras County, California, USA
79.3km (49.3 miles) Peyton deposit (Peyton Crocker-Preston prospect), Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
80.1km (49.8 miles) Perini deposit (Perini Peyton et al lease), Volcano, Volcano Mining District, Amador County, California, USA
82.0km (51.0 miles) Jones prospect (Jones deposit), Pine Grove, Pine Grove Mining District, East Belt, Amador 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 5, 2026 16:02:34
Go to top of page