Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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
Sakharyok alkaline massif, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia


Locality type:Massif
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
Associated Minerals Based on Photo Data:
Meliphanite6
Batievaite-(Y)1
Nepheline1
Albite1
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Sakharyok alkaline massif, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
Data Identifiers
Mindat Occurrence Record ID:348036
Long-form Identifier:1:3:348036:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
17.9km (11.1 miles) Vein No. 1, Serpovidnyi Ridge, Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
27.4km (17.0 miles) Pestsovye Keivy, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
30.9km (19.2 miles) Yel’skie Lakes deposits, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
31.2km (19.4 miles) Parusnaya Mt (Parus), Western Keivy Massif, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
35.8km (22.2 miles) White Tundra pegmatite, Keivy Mountains, Lovozersky District, Murmansk Oblast, Russia
37.8km (23.5 miles) Kolmozerskoe deposit, Voron'i Tundry, Murmansk Oblast, Russia
44.9km (27.9 miles) Kievey deposit, Fedorovo-Pansky massif (Pana layered complex), Murmansk Oblast, Russia
50.4km (31.3 miles) Kontozero carbonatite, Lovozersky District, Murmansk Oblast, Russia
69.7km (43.3 miles) Polmos deposit, Voron'i Tundry, Murmansk Oblast, Russia
77.4km (48.1 miles) Voron'i Tundry, Murmansk Oblast, Russia
References
 
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 7, 2026 09:26:58
Go to top of page