Vote for your favorite mineral in #MinCup26! - Arsenuranylite vs. Talc
It's a pair of soft and lovely minerals as Stichtite and Talc compete for your votes.
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

Muscovite from
Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA


Locality type:Deposit
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Schorl1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Chrysoprase and Moss Opal deposits, River Pines, Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1617595
Long-form Identifier:1:3:1617595:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
13.1km (8.1 miles) ⓘBBC Mine, El Dorado County, California, USA
13.4km (8.3 miles) ⓘMartinez Gold Mine (Martinez Mine; Martinez Hillside group; Bismark claim; Gold reef claim; Hillside Extension claim; Hillside Extension No. 3 claim; Martinez claim), Logtown, El Dorado Mining District, El Dorado County, California, USA
13.6km (8.4 miles) ⓘMartinez Mine (Martinez Gold Mine; Martinez claim; Bismarck claim; Gold Reef claim; Hillside Extension claim; Hillside Extension No. 3 claim; Martinez Hillside group; Hillside group), Logtown, El Dorado Mining District, El Dorado County, California, USA
14.0km (8.7 miles) ⓘOriginal Amador Mine (Eclipse Mine; Little Amador Mine; Original Amador claim; East Amador claim; Amador Wedge claim; Great Eastern claim; Eclipse Extension claim; Last Chance claim), Amador City, Jackson-Plymouth Mining District, Amador County, California, USA
15.6km (9.7 miles) ⓘLincoln Mine (Lincoln claim; Stewart claim; Belmont claim), Lincoln Consolidated Mine, Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
16.6km (10.3 miles) ⓘPeyton deposit (Peyton Crocker-Preston prospect), Pine Grove, Pine Grove Mining District, East Belt, Amador County, California, USA
16.6km (10.3 miles) ⓘOld Eureka Mine (Eureka Mine; Amador Consolidated Mine; Hetty Green Mine; Hayward Mine; Amador claim; Maxwell claim; Alpha claim; Railroad claim), Central Eureka Mine (Summit Mine), Sutter Creek, Jackson-Plymouth Mining District, Amador County, California, USA
16.9km (10.5 miles) ⓘMocettini occurrence, Flonellis, Latrobe Mining District, El Dorado County, California, USA
21.4km (13.3 miles) ⓘJackson Butte, Amador County, California, USA
22.4km (13.9 miles) ⓘPacific Quartz Mine (Pacific Mine), Placerville (Hangtown), Placerville Mining District, El Dorado County, California, USA
References
Ech Noch CollectionIdentified by Ech Noch: Visual Identification
 
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 8, 2026 03:26:57
Go to top of page