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

Thomsonite-Ca from
Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA


Locality type:Quarry
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Comments:from a quarry north of Mount Vernon, just off the main highway at Beech Creek
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chabazite5
Mesolite5
Calcite4
Offretite1
Native Copper1
Analcime1
Phillipsite Subgroup1
Lévyne-Ca1
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Beech Creek Quarry, Mount Vernon, Grant County, Oregon, USA
Photo GalleryView Gallery (42 photos)
Data Identifiers
Mindat Occurrence Record ID:46495
Long-form Identifier:1:3:46495:2
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
37.8km (23.5 miles) Indian Rock Lookout, Middle Fork John Day River, Grant County, Oregon, USA
38.9km (24.2 miles) Roadside Quarry, Ritter, Grant County, Oregon, USA
39.0km (24.3 miles) Upper Ritter Quarry, Ritter, Grant County, Oregon, USA
41.0km (25.5 miles) Middle Fork Cliffs, Ritter, Grant County, Oregon, USA
42.0km (26.1 miles) Ritter Hot Springs, Ritter, Grant County, Oregon, USA
47.7km (29.6 miles) Sixmile Creek, Ritter, Grant County, Oregon, USA
52.5km (32.7 miles) Devils Backbone, North Fork John Day River, Grant County, Oregon, USA
53.8km (33.5 miles) Big Bend, Kimberly, Grant County, Oregon, USA
68.5km (42.6 miles) Burnt Cabin Creek, Spray, Wheeler County, Oregon, USA
71.0km (44.1 miles) Lower Kahler Creek, Spray, Wheeler County, Oregon, USA
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 6, 2026 03:57:07
Go to top of page