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

Cassiterite from
Gralheira Mine, Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Gralheira Mine, Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:1474049
Long-form Identifier:1:3:1474049:7
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
2.2km (1.3 miles) ⓘJales Mines (Jales Mining Field), Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
5.9km (3.7 miles) ⓘSódria Mine, Bornes de Aguiar, Vila Pouca de Aguiar, Vila Real, Portugal
8.1km (5.0 miles) ⓘFraga da Raposa Mine, Fiolhoso, Murça, Vila Real, Portugal
12.1km (7.5 miles) ⓘFeitosa Mine, Vila Verde, Alijó, Vila Real, Portugal
12.9km (8.0 miles) ⓘJogadouro Mine, Carrazedo de Montenegro e Curros, Valpaços, Vila Real, Portugal
12.9km (8.0 miles) ⓘVarzielos Mine, Padrela e Tazem, Valpaços, Vila Real, Portugal
13.2km (8.2 miles) ⓘSobredo Mine, Noura e Palheiros, Murça, Vila Real, Portugal
13.2km (8.2 miles) ⓘRibeira Mine, Murça, Murça, Vila Real, Portugal
14.5km (9.0 miles) ⓘCumieira Mine, Mouçós e Lamares, Vila Real, Vila Real, Portugal
14.5km (9.0 miles) ⓘOlmo - Fonte do Ouro Mine, Mouçós e Lamares, Vila Real, Vila Real, Portugal
References
Martins, S. A. B. (2018). Mineralizações auríferas de Jales, Gralheira e Raiz do Monte: estudo mineralógico e paragenético. o Mestrado em Geologia da Faculdade de Ciências da Universidade do Porto
 
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 04:47:50
Go to top of page