Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete 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

Biotite from
Mattawan Mine (O'Brien-Fowler), Mattawan Township, Nipissing District, Ontario, Canada


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Mattawan Mine (O'Brien-Fowler), Mattawan Township, Nipissing District, Ontario, Canada
Data Identifiers
Mindat Occurrence Record ID:92592
Long-form Identifier:1:3:92592:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.2km (5.7 miles) ⓘPurdy Mine, Mattawan Township, Nipissing District, Ontario, Canada
9.7km (6.1 miles) ⓘPurdy mine, Calvin Township, Nipissing District, Ontario, Canada
10.2km (6.3 miles) ⓘEau Claire beryl occurrence (MacLaren), Calvin Township, Nipissing District, Ontario, Canada
10.5km (6.5 miles) ⓘNo. 1 Deposit, Mica Company of Canada mine, Mattawan Township, Nipissing District, Ontario, Canada
11.4km (7.1 miles) ⓘCroteau mine, Mattawan Township, Nipissing District, Ontario, Canada
11.8km (7.3 miles) ⓘHayes property (Eau Claire), Calvin Township, Nipissing District, Ontario, Canada
11.8km (7.3 miles) ⓘNo.2 Deposit, Mica Company of Canada mine, Mattawan Township, Nipissing District, Ontario, Canada
37.5km (23.3 miles) ⓘMuskwa Lake mine (Brent), Deacon Township, Nipissing District, Ontario, Canada
47.8km (29.7 miles) ⓘCallander Bay alkaline complex, North Bay area, Nipissing District, Ontario, Canada
53.3km (33.1 miles) ⓘComet Quartz, Laurier Township, Parry Sound District, Ontario, Canada
References
Sabina, A. P. (1971) Rocks and minerals for the collector Ottawa to North Bay, Ontario; Hull to Waltham, Quebec. Paper 70-50. Geological Survey of Canada 140 pp. doi:10.4095/102463
Goad, B.E. (1990) Granitic pegmatites of the Bancroft area, southeastern Ontario/ Ontario Geological Survey, Open File Report 5717, 459p.
 
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 8, 2026 13:31:54
Go to top of page