Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of 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

Phlogopite from
Tre Croci, Vetralla, Viterbo Province, Lazio, Italy


01484800017367192549015.jpg
Phlogopite, etc.

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
01484800017367192549015.jpg
Phlogopite, etc.

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
03858540017272002501328.jpg
Phlogopite, etc.

Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Locality type:Village
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Magnetite1
Pyrochlore Supergroup1
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Tre Croci, Vetralla, Viterbo Province, Lazio, Italy
Data Identifiers
Mindat Occurrence Record ID:237481
Long-form Identifier:1:3:237481:9
GUID (UUID V4):0
Nearest other occurrences of Phlogopite
2.4km (1.5 miles) ⓘPian di San Martino, Vetralla, Viterbo Province, Lazio, Italy
4.1km (2.5 miles) ⓘCastellaccio di Petrignano, Viterbo, Viterbo Province, Lazio, Italy
21.0km (13.0 miles) ⓘSH2 deep well, Bracciano, Metropolitan City of Rome Capital, Lazio, Italy
24.0km (14.9 miles) ⓘSolfatara di Manziana, Manziana, Metropolitan City of Rome Capital, Lazio, Italy
24.2km (15.0 miles) ⓘMontefiascone caldera, Montefiascone, Viterbo Province, Lazio, Italy
26.9km (16.7 miles) ⓘCaldera di Manziana, Manziana, Metropolitan City of Rome Capital, Lazio, Italy
31.5km (19.5 miles) ⓘPianciano carbonatite, Cerveteri, Metropolitan City of Rome Capital, Lazio, Italy
31.6km (19.7 miles) ⓘS. Angelo Mount, Campagnano di Roma, Metropolitan City of Rome Capital, Lazio, Italy
34.2km (21.3 miles) ⓘCasale Rosati, Valentano, Viterbo Province, Lazio, Italy
35.7km (22.2 miles) ⓘFosso Attici, Magliano Romano, Metropolitan City of Rome Capital, Lazio, Italy
References
Pierini, G. (2004) Notizie mineralogiche. Homilite in un proietto vulcanico a Tre Croci di Vetralla (VT) [Mineralogical information. Homilite in a volcanic ejecta at Tre Croci di Vetralla (VT)]. Micro, 2. 5-12
 
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 3, 2026 05:41:57
Go to top of page