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
Examiner Mine (Three Dots and A Dash), Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA


Locality type:Mine
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 Examiner Mine (Three Dots and A Dash), Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:497780
Long-form Identifier:1:3:497780:3
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
0.7km (0.4 miles) ⓘPine Tree Claim, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
3.0km (1.9 miles) ⓘGolden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
18.0km (11.2 miles) ⓘIron King Claim (Lepp; Sunbeam; Jackman-Ogle Prospect), Norwegian Mining District (Whitehall Mining District), Madison County, Montana, USA
33.0km (20.5 miles) ⓘBroadway Mine, Silver Star Mining District, Madison County, Montana, USA
34.1km (21.2 miles) ⓘSanta Anita Mine, Radersburg Mining District (Cedar Plains Mining District; Lone Mountain Mining District), Broadwater County, Montana, USA
36.4km (22.6 miles) ⓘParker Group, Radersburg Mining District (Cedar Plains Mining District; Lone Mountain Mining District), Broadwater County, Montana, USA
39.6km (24.6 miles) ⓘStar West Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
39.7km (24.7 miles) ⓘElkhorn Mine, Elkhorn Mining District, Jefferson County, Montana, USA
40.2km (25.0 miles) ⓘCongress, Radersburg Mining District (Cedar Plains Mining District; Lone Mountain Mining District), Broadwater County, Montana, USA
40.3km (25.0 miles) ⓘRoach-Miller Mine (Cornelia), Madison County, Montana, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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 05:37:34
Go to top of page