Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Biotite from
Philex-Padcal Mine, Tuba, Benguet Province, Cordillera Administrative Region, Luzon, Philippines


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 Philex-Padcal Mine, Tuba, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
Data Identifiers
Mindat Occurrence Record ID:627346
Long-form Identifier:1:3:627346:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.8km (7.3 miles) ⓘKennon Southeast Cu-Au deposit (Black Mountain), Baguio, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
12.0km (7.5 miles) ⓘAcupan Mine, Itogon, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
25.5km (15.9 miles) ⓘSanto Niño Mine, Itogon, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
33.3km (20.7 miles) ⓘTawi-Tawi Cu deposit, Bokod, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
42.1km (26.2 miles) ⓘBoneng Mine, Kibungan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
54.8km (34.1 miles) ⓘPhilex-San Antonio Mine (Tabbac deposit), Kibungan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
61.8km (38.4 miles) ⓘGuinaobagan Cu deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
68.4km (42.5 miles) ⓘLepanto Mine, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
68.4km (42.5 miles) ⓘFar Southeast Cu-Au deposit, Mankayan, Benguet Province, Cordillera Administrative Region, Luzon, Philippines
71.7km (44.5 miles) ⓘDinkidi Mine, Quirino Province, Cagayan Valley Region, Luzon, Philippines
References
Tarkian, M.; Koopmann, G. (1995) Platinum-group minerals in the Santo Tomas II (Philex) porphyry copper-gold deposit, Luzon Island, Philippines. Mineralium Deposita, 30 (1). 39-47 doi:10.1007/bf00208875
Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
 
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: October 20, 2026 02:24:30
Go to top of page