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

Epistilbite from
Big Tree Creek, Yacolt, Clark County, Washington, USA


Locality type:Creek
Classification
Species:Epistilbite
Formula:CaAl2Si6O16 · 5H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Heulandite Subgroup9
Chabazite4
Mordenite3
Stilbite Subgroup2
Thomsonite-Ca2
Lévyne2
Phillipsite Subgroup1
Gonnardite1
Data
Mineral Data:Click here to view Epistilbite data
Locality Data:Click here to view Big Tree Creek, Yacolt, Clark County, Washington, USA
Photo GalleryView Gallery (11 photos)
Data Identifiers
Mindat Occurrence Record ID:46514
Long-form Identifier:1:3:46514:6
GUID (UUID V4):0
Nearest other occurrences of Epistilbite
39.4km (24.5 miles) ⓘBaird Creek Quarry, Wolf Point, Cowlitz County, Washington, USA
40.2km (25.0 miles) ⓘRoadcuts, Kalama area, Cowlitz County, Washington, USA
40.2km (25.0 miles) ⓘInterstate 5 Roadcuts, Roadcuts, Kalama area, Cowlitz County, Washington, USA
41.1km (25.5 miles) ⓘ200 / 237 Road Quarry, Wolf Point, Cowlitz County, Washington, USA
43.2km (26.8 miles) ⓘNeer Road, Goble, Columbia County, Oregon, USA
48.0km (29.8 miles) ⓘSignal Peak, Cowlitz County, Washington, USA
51.9km (32.3 miles) ⓘQuartz Creek Roadcut, Lewis River, Skamania County, Washington, USA
56.0km (34.8 miles) ⓘCarpathite occurrence, Cook, Skamania County, Washington, USA
67.6km (42.0 miles) ⓘRiffe Lake, Kosmos, Lewis County, Washington, USA
79.5km (49.4 miles) ⓘPucci drillhole, Hood River 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: October 21, 2026 19:09:33
Go to top of page