Vote for your favorite mineral in #MinCup26! - Pyromorphite vs. Graphite
Linked by archaic translations and mineralogical misunderstandings, the quarterfinals are ending in hexagons with vivid pyromorphite vs writeable graphite.
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

Biotitite

A rock classification type
This page is currently not sponsored. Click here to sponsor this page.
A black igneous rock consisting almost entirely of biotite or Fe-bearing phlogopite.
This kind of rock may occur in different geologic environments.
See also micaite (glimmerite).


Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:
50997
Long-form identifier:
mindat:1:1:50997:8

Similar NamesHide

Classification of BiotititeHide

Mineralogy of BiotititeHide

Essential minerals - these are minerals that are required within the classification of this rock:
Mica > BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Pronunciation of BiotititeHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Synonyms of BiotititeHide

Glimmerite (in part)

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Biotitite associated with Feldspar Group
2 photos of Biotitite associated with Amphibole SupergroupAB2C5(T8O22)W2
1 photo of Biotitite associated with Cancrinite Group
1 photo of Biotitite associated with 'Sunstone'
1 photo of Biotitite associated with OrthoclaseK(AlSi3O8)
1 photo of Biotitite associated with MuscoviteKAl2(AlSi3O10)(OH)2
1 photo of Biotitite associated with Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
1 photo of Biotitite associated with 'Scapolite'
1 photo of Biotitite associated with 'Nepheline-syenite'
1 photo of Biotitite associated with Peprossiite-(Ce)CeAl2(B3.67Si0.33)O10.67

Internet Links for BiotititeHide

References for BiotititeHide

Reference List:
Quick NavTopUnique IdentifiersSimilar NamesClassification Mineralogy Pronunciation SynonymsCommon AssociatesInternet Links 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 28, 2026 21:02:32 Page updated: June 15, 2026 23:18:39
Go to top of page