Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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

Braunite from
Bruce Mine, Gamagara Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa


Locality type:Mine
Classification
Species:Braunite
Formula:Mn2+Mn63+(SiO4)O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Braunite data
Locality Data:Click here to view Bruce Mine, Gamagara Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Data Identifiers
Mindat Occurrence Record ID:755580
Long-form Identifier:1:3:755580:0
GUID (UUID V4):0
Nearest other occurrences of Braunite
20.2km (12.6 miles) ⓘBishop farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
24.0km (14.9 miles) ⓘLohatlha Mine, Western Belt, Gamagara Ridge, Northern Cape, South Africa
29.2km (18.2 miles) ⓘGlosam Mining Village, Gloucester Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
40.4km (25.1 miles) ⓘDriehoekspan, Western Belt, Gamagara Ridge, Northern Cape, South Africa
40.8km (25.3 miles) ⓘDoornfontein Farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
43.8km (27.2 miles) ⓘPaling farm, Western Belt, Gamagara Ridge, Northern Cape, South Africa
47.0km (29.2 miles) ⓘAucampsrust, ZF Mgcawu District Municipality, Northern Cape, South Africa
47.3km (29.4 miles) ⓘMamatwan Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
50.2km (31.2 miles) ⓘUnnamed borehole, Tsantsabane Local Municipality, ZF Mgcawu District Municipality, Northern Cape, South Africa
51.6km (32.1 miles) ⓘMiddelplaats Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
References
Moore, John M., Kuhn, Barbara K., Mark, Darren F., Tsikos, Harilaos (2011) A sugilite-bearing assemblage from the Wolhaarkop breccia, Bruce iron-ore mine, South Africa: Evidence for alkali metasomatism and 40Ar-39Ar dating. European Journal of Mineralogy, 23 (4) 661-673 doi:10.1127/0935-1221/2011/0023-2117
(2016)
 
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 6, 2026 01:48:50
Go to top of page