Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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

Thomsonite-Ca from
Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal


00749640017363629458212.jpg
Thomsonite-Ca

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
01960080017272087766856.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
00083280017272087773055.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
09637720017442803257968.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
00749640017363629458212.jpg
Thomsonite-Ca

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
04301230017363629456207.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
00083280017272087773055.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
04500660017439227783236.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
01921470017363629466836.jpg
Thomsonite-Ca

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
01960080017272087766856.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
00083280017272087773055.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
03165770017448155379905.jpg
Thomsonite-Ca, etc.

Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
Locality type:Occurrence
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Analcime8
Natrolite7
Calcite2
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Valejas, Carnaxide e Queijas, Oeiras, Lisbon, Portugal
Photo GalleryView Gallery (17 photos)
Data Identifiers
Mindat Occurrence Record ID:287819
Long-form Identifier:1:3:287819:5
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
24.1km (15.0 miles) ⓘLomba dos Pianos quarry, Magoito, São João das Lampas e Terrugem, Sintra, Lisbon, Portugal
References
 
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 7, 2026 09:37:05
Go to top of page