Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
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

Cobaltite from
Deer Horn Mine (Cross Lake O'Brien Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada


Locality type:Mine
Classification
Species:Cobaltite
Formula:CoAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cobaltite data
Locality Data:Click here to view Deer Horn Mine (Cross Lake O'Brien Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:67698
Long-form Identifier:1:3:67698:2
GUID (UUID V4):0
Nearest other occurrences of Cobaltite
0.2km (0.1 miles) ⓘReinhardt Cross Lake Property, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
1.3km (0.8 miles) ⓘColonial Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
1.3km (0.8 miles) ⓘNova Scotia Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
1.5km (0.9 miles) ⓘJuno Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
1.9km (1.2 miles) ⓘO'Brien Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
2.2km (1.4 miles) ⓘLawson Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
2.3km (1.5 miles) ⓘLa Rose Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
2.5km (1.5 miles) ⓘNipissing 407 Mine (Agnico Mine), Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
2.6km (1.6 miles) ⓘNipissing Hill, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
2.8km (1.7 miles) ⓘHellens-Eplett Mine, Bucke Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
References
Sabina, A. P. (1974) Rocks and minerals for the collector: Cobalt - Belleterre - Timmins, Ontario and Quebec. Paper 73-13. Geological Survey of Canada doi:10.4095/103345
 
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 1, 2026 16:45:11
Go to top of page