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

Tonopah Mine, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USAi
Regional Level Types
Tonopah MineMine
Potosi Mining DistrictMining District
Osgood MountainsMountain Range
Humboldt CountyCounty
NevadaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
41° 12' 35'' North , 117° 15' 29'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Golconda214 (2011)34.5km
Paradise Valley109 (2011)39.1km
Winnemucca7,887 (2017)47.9km
Mindat Locality ID:
59648
Long-form identifier:
mindat:1:2:59648:5
GUID (UUID V4):
0


Sec 33 T39N R42E. Tactite.

Deposit: Year of discovery is before 1950. General location is about 53 km NE of winnemucca. Mining method is open pit and overhand stope.

Geology: General size of ore body is medium. Type of ore body is also contact metasomatic. Origin of ore body is also by igneous intrusion. Ore is also controlled by fracturing. Strike and dip of mineralized zone is north-ne:east. Mineralized zone average deminsions:(meters) length >907; width unknown; thickness up to 4.6; depth unknown

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


9 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Chalcopyrite
Formula: CuFeS2
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Garnet Group'
Formula: X3Z2(SiO4)3
Molybdenite
Formula: MoS2
Powellite
Formula: Ca(MoO4)
Pyrite
Formula: FeS2
'Pyroxene Group'
Formula: ADSi2O6
Quartz
Formula: SiO2
Scheelite
Formula: Ca(WO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Powellite7.GA.05Ca(MoO4)
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
'Pyroxene Group'-ADSi2O6
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O PowelliteCa(MoO4)
O QuartzSiO2
O ScheeliteCa(WO4)
O Pyroxene GroupADSi2O6
O Garnet GroupX3Z2(SiO4)3
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
SiSilicon
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si QuartzSiO2
Si Pyroxene GroupADSi2O6
Si Garnet GroupX3Z2(SiO4)3
SSulfur
S ChalcopyriteCuFeS2
S MolybdeniteMoS2
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca PowelliteCa(MoO4)
Ca ScheeliteCa(WO4)
FeIron
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
MoMolybdenum
Mo MolybdeniteMoS2
Mo PowelliteCa(MoO4)
WTungsten
W ScheeliteCa(WO4)

Other Databases

Link to USGS MRDS:10125205

Other Regions, Features and Areas containing this locality


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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 05:10:25 Page updated: August 28, 2025 13:37:01
Go to top of page