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

Quartz from
Bobtail Mine, Black Hawk, Black Hawk Mining District, Gilpin County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Bobtail Mine, Black Hawk, Black Hawk Mining District, Gilpin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:766141
Long-form Identifier:1:3:766141:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.1km (0.1 miles) ⓘCentral City; Cherokee; Carroll; Woodmire; Rara Avis, Eureka Mining District, Gilpin County, Colorado, USA
0.2km (0.2 miles) ⓘSleepy Hollow Mine, Eureka Mining District, Gilpin County, Colorado, USA
0.3km (0.2 miles) ⓘSilver Dollar Mine, Eureka Mining District, Gilpin County, Colorado, USA
0.6km (0.4 miles) ⓘPocahontas (Rotechield; Gold Rock; Springdale; Denbeigh vein), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.5km (0.9 miles) ⓘBonanza, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.5km (1.0 miles) ⓘTwo Sisters occurrence, Eureka Mining District, Gilpin County, Colorado, USA
1.6km (1.0 miles) ⓘPittsburgh (Notaway East; Notaway Shaft; Notaway West), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.9km (1.2 miles) ⓘSmith Mine, Black Hawk Mining District, Gilpin County, Colorado, USA
1.9km (1.2 miles) ⓘPowers Mine, Willis Gulch, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.9km (1.2 miles) ⓘWood Mine (E. Calhoun), Willis Gulch, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
References
Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
 
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 12:45:37
Go to top of page