Vote for your favorite mineral in #MinCup26! - Cuprite vs. Orpiment
It's a fiery match of vibrant red Cuprite and just as saturated orange Orpiment battle 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

Chalcedony from
Clyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star), Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Clyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star), Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:662428
Long-form Identifier:1:3:662428:6
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
1.4km (0.9 miles) ⓘCold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.0km (1.3 miles) ⓘConger Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
2.2km (1.4 miles) ⓘBettig mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
4.8km (3.0 miles) ⓘBlack Hawk No. 1 vein, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
5.7km (3.6 miles) ⓘPeewink Mountain tunnel, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
7.1km (4.4 miles) ⓘCaribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
11.4km (7.1 miles) ⓘLogan & Sunbeam Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
17.1km (10.6 miles) ⓘBlue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
22.6km (14.1 miles) ⓘGerman and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
24.2km (15.0 miles) ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
 
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 5, 2026 11:08:22
Go to top of page