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

Epidote from
Chair Peak skarn outcrop, Snoqualmie Mining District, King County, Washington, USA


Locality type:Outcrop
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Garnet Group1
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Chair Peak skarn outcrop, Snoqualmie Mining District, King County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:1993632
Long-form Identifier:1:3:1993632:7
GUID (UUID V4):0
Nearest other occurrences of Epidote
0.9km (0.6 miles) ⓘChair Peak Lake, Snoqualmie Mining District, King County, Washington, USA
3.6km (2.2 miles) ⓘDenny Gulch, Denny Mountain, Snoqualmie Mining District, King County, Washington, USA
3.6km (2.3 miles) ⓘMount Roosevelt, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
3.8km (2.3 miles) ⓘGuye Mine, Snoqualmie Mining District, King County, Washington, USA
4.8km (3.0 miles) ⓘGranite Mountain, King County, Washington, USA
8.1km (5.0 miles) ⓘPuffball claim, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
8.9km (5.6 miles) ⓘCondor-Hemlock Mine, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
9.2km (5.7 miles) ⓘSpruce Ridge, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
9.2km (5.7 miles) ⓘHumpback Mountain, Hansen Creek area, Snoqualmie Mining District, King County, Washington, USA
10.7km (6.7 miles) ⓘHardscrabble Creek, Middle Fork of the Snoqualmie River, Snoqualmie Mining District, King County, Washington, USA
References
Aidan Cerenzie CollectionIdentified by Aidan Cerenzie: Visual Identification, Wet Chemical
 
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 14:00:58
Go to top of page