Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Thomsonite-Ca from
Rio Viejo, San Rafael, Alajuela Canton, Alajuela Province, Costa Rica


Locality type:Creek
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Habit:fan like groups of blades
Colour:colorless
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mesolite4
Analcime2
Stilbite Subgroup1
Calcite1
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Rio Viejo, San Rafael, Alajuela Canton, Alajuela Province, Costa Rica
Data Identifiers
Mindat Occurrence Record ID:105990
Long-form Identifier:1:3:105990:8
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
3.9km (2.4 miles) ⓘBajo Calvo, Guaitil District, Acosta Canton, San José Province, Costa Rica
6.1km (3.8 miles) ⓘFila San Francisco, Candelarita District, Puriscal Canton, San José Province, Costa Rica
6.7km (4.2 miles) ⓘPedernal Road cuts, Candelarita District, Puriscal Canton, San José Province, Costa Rica
18.4km (11.5 miles) ⓘTranquerillas, Aserri Canton, San José Province, Costa Rica
20.4km (12.6 miles) ⓘLa Garita Bridge Quarry, Atenas District, Atenas Canton, Alajuela Province, Costa Rica
References
Micro Probe Vol. 7 No. 7 Spring 1993
Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
 
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: October 20, 2026 01:49:24
Go to top of page