Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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

Ankerite from
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:507050
Long-form Identifier:1:3:507050:3
GUID (UUID V4):0
Nearest other occurrences of Ankerite
20.9km (13.0 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
52.4km (32.5 miles) ⓘFilón Norte open pit (Filón Norte Mine), Tharsis Mines, Tharsis, Alosno, Huelva, Andalusia, Spain
58.6km (36.4 miles) ⓘLas Herrerías deposit, Alconchel, Badajoz, Extremadura, Spain
59.3km (36.8 miles) ⓘSotiel Mine, Sotiel-Coronada mines, Calañas, Huelva, Andalusia, Spain
62.3km (38.7 miles) ⓘFerrarias e Castelo Mine, Santa Vitória e Mombeja, Beja, Beja, Portugal
66.3km (41.2 miles) ⓘMasa Valverde Mine (Valverde Mine), Beas, Huelva, Andalusia, Spain
77.8km (48.3 miles) ⓘFeitais deposit, Aljustrel Mine, Aljustrel e Rio de Moinhos, Aljustrel, Beja, Portugal
78.0km (48.5 miles) ⓘMiguel Vacas Mine, Nossa Senhora da Conceição e São Bartolomeu, Vila Viçosa, Évora, Portugal
79.0km (49.1 miles) ⓘNeves-Corvo Mine, Santa Bárbara de Padrões, Castro Verde, Beja, Portugal
82.4km (51.2 miles) ⓘBrancanes Mine, Brancanes, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
References
XRD analysed - Nuno Afonso.
Silva, Teresa P.; Morais, Igor; Soares, Sofia; Rodrigues, Ivo; Oliveira, Daniel P. S.; Mirão, José (2026) New Contributions to Mineralogical and Geochemical Knowledge of Old Preguiça Mine, Beja, Portugal. Minerals, 16 (4). doi:10.3390/min16040348
 
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 6, 2026 13:53:13
Go to top of page