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

Biotite from
King Ainsworth Mine group (Oregon Mine group), Portal, California Mining District (Chiricahua Mining District), Chiricahua Mountains, Cochise County, Arizona, USA


01794150017370221101286.jpg
Biotite

King Ainsworth Mine group, Portal, California Mining District, Chiricahua Mountains, Cochise County, Arizona, USA
01794150017370221101286.jpg
Biotite

King Ainsworth Mine group, Portal, California Mining District, Chiricahua Mountains, Cochise County, Arizona, USA
09034370017272011673241.jpg
Biotite

King Ainsworth Mine group, Portal, California Mining District, Chiricahua Mountains, Cochise County, Arizona, USA
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:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view King Ainsworth Mine group (Oregon Mine group), Portal, California Mining District (Chiricahua Mining District), Chiricahua Mountains, Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:758381
Long-form Identifier:1:3:758381:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.8km (7.4 miles) ⓘRustler Park, Cochise County, Arizona, USA
14.9km (9.2 miles) ⓘFlys Peak (Fly Peak), California Mining District (Chiricahua Mining District), Chiricahua Mountains, Cochise County, Arizona, USA
34.1km (21.2 miles) ⓘApache Pass, Teviston Mining District, Dos Cabezas Mountains, Cochise County, Arizona, USA
60.2km (37.4 miles) ⓘCommonwealth Mine, Pearce, Pearce Mining District, Pearce Hills, Sulphur Springs Valley, Cochise County, Arizona, USA
70.5km (43.8 miles) ⓘGolden Eagle Mine, Sylvanite Mining District, Hidalgo County, New Mexico, USA
70.9km (44.1 miles) ⓘGolden Eagle Mine, Eureka Mining District, Grant County, New Mexico, USA
71.4km (44.3 miles) ⓘRidgewood Mine, Sylvanite Mining District, Hidalgo County, New Mexico, USA
79.2km (49.2 miles) ⓘBurrito de Fierro Mine, Cochise Mining District, Cochise County, Arizona, USA
80.2km (49.8 miles) ⓘFourr Ranch area, Fourr Canyon area, Cochise County, Arizona, USA
81.7km (50.8 miles) ⓘGunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
References
Luetcke, Rolf (n.d.) Personal communication.
 
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 03:11:26
Go to top of page