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

Epidote from
Delome Deposit, Radersburg Mining District (Cedar Plains Mining District; Lone Mountain Mining District), Broadwater County, Montana, USA


Locality type:Deposit
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Delome Deposit, Radersburg Mining District (Cedar Plains Mining District; Lone Mountain Mining District), Broadwater County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:705994
Long-form Identifier:1:3:705994:0
GUID (UUID V4):0
Nearest other occurrences of Epidote
13.4km (8.3 miles) ⓘDiamond Hill Mine (Giant Hill; Montana Tunnels/Diamond Hill), Park Mining District (Indian Creek Mining District), Broadwater County, Montana, USA
25.3km (15.7 miles) ⓘElkhorn Iron Mine, Elkhorn Mining District, Jefferson County, Montana, USA
50.4km (31.3 miles) ⓘCrazy Sphinx Mine (Dry Gulch; Crazy Sphinx claim), Helena, Helena Mining District (Spring Hill Mining District), Lewis and Clark County, Montana, USA
53.0km (32.9 miles) ⓘMarcus Pruett's feldspar claim, Boulder Batholith, Jefferson County, Montana, USA
56.9km (35.4 miles) ⓘRailroad Cut, Delmoe Lake Road occurrences, Pipestone Mining District, Jefferson County, Montana, USA
62.9km (39.1 miles) ⓘBeehive #3 pegmatite, Goldflint Mountain, Boulder Batholith, Jefferson County, Montana, USA
66.1km (41.1 miles) ⓘLittle Gem Mine, Boulder Batholith, Jefferson County, Montana, USA
67.0km (41.6 miles) ⓘHomestake Pass, Boulder Batholith, Jefferson County, Montana, USA
67.3km (41.8 miles) ⓘToll Mountain Occurrence, Little Pipestone Mining District, Jefferson County, Montana, USA
69.7km (43.3 miles) ⓘBlue Bell Mine, Ontario Mining District (Elliston Mining District), Powell County, Montana, USA
References
Winchell, Alexander Newton (1914) Mining districts of the Dillon quadrangle, Montana, and adjacent areas. Bulletin 574. US Geological Survey doi:10.3133/b574
 
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 14:14:52
Go to top of page