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

Coffinite from
Smaller Lease, Tallahassee Creek Mining District, Fremont County, Colorado, USA


Classification
Species:Coffinite
Formula:U(SiO4) · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Coffinite data
Locality Data:Click here to view Smaller Lease, Tallahassee Creek Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:374821
Long-form Identifier:1:3:374821:3
GUID (UUID V4):0
Nearest other occurrences of Coffinite
0.0km (0.0 miles) ⓘLittle Abner Mine (Little Abner No. 1; Little Abney), Tallahassee Creek Mining District, Fremont County, Colorado, USA
0.0km (0.0 miles) ⓘMary L. Group (Mary L. 1-6 Claims), Tallahassee Creek Mining District, Fremont County, Colorado, USA
0.4km (0.2 miles) ⓘJoan 2 Mine (Seattle Chief Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
1.5km (0.9 miles) ⓘThorn Claims (Thome 1-14; Thorn Homestead Mine; Thome Claims; Thorn 9 and 10), Tallahassee Creek Mining District, Fremont County, Colorado, USA
2.1km (1.3 miles) ⓘKnob Hill Mine (Knob Hill Ore Body; Knob Hill Os; Dipper Mine; Nob Hill Mine), Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.0km (1.9 miles) ⓘA. E. Jones Claim (Taylor Soda Springs), Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.3km (2.0 miles) ⓘHansen Ore Body Occurrence, Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.3km (2.1 miles) ⓘJames - Taylor Lease (Spring Valley Deposit), Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.5km (2.2 miles) ⓘPicnic Tree Mine (Picnic Tree Claims; Picnic Tree-Hall; Hall Homestead), Tallahassee Creek Mining District, Fremont County, Colorado, USA
3.8km (2.3 miles) ⓘEast Big Wash Prospect (Sputnik No. 1), Tallahassee Creek Mining District, Fremont County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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 02:06:01
Go to top of page