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

Feldspar Group from
Numão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal


Locality type:Prospect
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Numão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:1497687
Long-form Identifier:1:3:1497687:0
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
18.7km (11.6 miles) ⓘFerronha Mines, U.F Penedono e Granja, Penedono, Viseu, Portugal
19.6km (12.2 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
19.6km (12.2 miles) ⓘVieiros Mine, Penela da Beira, Penedono, Viseu, Portugal
26.2km (16.3 miles) ⓘAmeal Mine, U.F Trevões e Espinhosa, São João da Pesqueira, Viseu, Portugal
30.1km (18.7 miles) ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal
36.2km (22.5 miles) ⓘFonte Salgueiro and Ladeira das Vinhas Mines, Pereiro, Pinhel, Guarda, Portugal
36.3km (22.5 miles) ⓘAbelhas Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
37.6km (23.4 miles) ⓘSão Domingos Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
37.6km (23.4 miles) ⓘAcorradoiro Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
39.0km (24.3 miles) ⓘRatoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
References
Leal, S.; Lima, A.; Morris, J.; Pedro, M.; Noronha, F. (2022) Numão gold deposit in the Iberian Variscan belt, Northern Portugal: Ore features and mineralization controls. A gold deposit in a W-Sn metallogenic province. Ore Geology Reviews, 144. 104815 doi:10.1016/j.oregeorev.2022.104815
 
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 01:30:31
Go to top of page