Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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

Sericite from
Twilight Claim (Sawlog group), Sawlog Gulch, North Fork - Shoup Mining District, Lemhi County, Idaho, USA


Locality type:Claim
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Twilight Claim (Sawlog group), Sawlog Gulch, North Fork - Shoup Mining District, Lemhi County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:279497
Long-form Identifier:1:3:279497:6
GUID (UUID V4):0
Nearest other occurrences of Sericite
44.1km (27.4 miles) ⓘPope-Shenon Mine, Sal Mountain, Salmon, Eureka Mining District, Lemhi County, Idaho, USA
52.8km (32.8 miles) ⓘJahnke Mine, Beaverhead Mining District (Dark Horse Mining District), Beaverhead County, Montana, USA
70.8km (44.0 miles) ⓘLucky Horseshoe prospect, Lemhi Pass Mining District, Lemhi County, Idaho, USA
72.8km (45.2 miles) ⓘCrystal Mountain Fluorspar Mine (Lumberjack Outcrops; Crystal Mountain Mine Retirement Group), Sapphire Mountains Area, Ravalli County, Montana, USA
94.0km (58.4 miles) ⓘRocket Prospect (White Bluff), Valley County, Idaho, USA
97.0km (60.2 miles) ⓘIndependence Mine, Big Creek Mining District, Valley County, Idaho, USA
References
USGS Bull 988-H
 
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 4, 2026 05:15:33
Go to top of page