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

Gray Copper Gulch, Ouray County, Colorado, USAi
Regional Level Types
Gray Copper GulchGulch
Ouray CountyCounty
ColoradoState
USACountry
Gray Copper Gulch, Red Mountain Mining District, Colorado, USA

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
03544480017272722582781.jpg
Hemimorphite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
04167460017272248467603.jpg
Fluorite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
09279760017272248441225.jpg
Pyrite

Topeka Mine, Gray Copper Gulch, Ouray County, Colorado, USA
02947600017271980655134.jpg
Hemimorphite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
05483660017272248445431.jpg
Fluorite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
09279760017272248441225.jpg
Pyrite

Topeka Mine, Gray Copper Gulch, Ouray County, Colorado, USA
02947600017271980655134.jpg
Hemimorphite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
04167460017272248467603.jpg
Fluorite

Silver Mountain Mine, Gray Copper Gulch, Ouray County, Colorado, USA
Latitude & Longitude (WGS84):
37° 54' 47'' North , 107° 39' 5'' West
Latitude & Longitude (decimal):
37.91311,-107.65152
GRN:
N26W61
Type:
Gulch
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Silverton637 (2011)11.3km
Ouray1,008 (2017)12.3km
Telluride2,399 (2018)14.4km
Ophir169 (2017)17.1km
Mountain Village1,395 (2017)18.1km
Mindat Locality ID:
407889
Long-form identifier:
mindat:1:2:407889:3
GUID (UUID V4):
0


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

13 valid minerals.

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
ⓘ Anatase
Formula: TiO2
ⓘ Baryte
Formula: BaSO4
ⓘ Brookite
Formula: TiO2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
ⓘ Halotrichite
Formula: Fe2+Al2(SO4)4 · 22H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Milky Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘAcanthite2.BA.35Ag2S
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Amethyst		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Milky Quartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘAnatase4.DD.05TiO2
ⓘBrookite4.DD.10TiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘHalotrichite7.CB.85Fe2+Al2(SO4)4 · 22H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘvar. Selenite7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘGoyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Hⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Hⓘ Gypsum var. SeleniteCaSO4 · 2H2O
OOxygen
Oⓘ Quartz var. AmethystSiO2
Oⓘ AnataseTiO2
Oⓘ BaryteBaSO4
Oⓘ BrookiteTiO2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Oⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Gypsum var. SeleniteCaSO4 · 2H2O
Oⓘ Quartz var. Milky QuartzSiO2
FFluorine
Fⓘ FluoriteCaF2
AlAluminium
Alⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Alⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
SiSilicon
Siⓘ Quartz var. AmethystSiO2
Siⓘ QuartzSiO2
Siⓘ Quartz var. Milky QuartzSiO2
PPhosphorus
Pⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Sⓘ PyriteFeS2
Sⓘ Gypsum var. SeleniteCaSO4 · 2H2O
CaCalcium
Caⓘ FluoriteCaF2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Gypsum var. SeleniteCaSO4 · 2H2O
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BrookiteTiO2
Tiⓘ RutileTiO2
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ HalotrichiteFe2+Al2(SO4)4 · 22H2O
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
SrStrontium
Srⓘ GoyaziteSrAl3(PO4)(PO3OH)(OH)6
AgSilver
Agⓘ AcanthiteAg2S
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ GalenaPbS

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

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.
Quick NavTopCommoditiesMineral ListLocalities in RegionOther Regions
 
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 10:22:14 Page updated: July 25, 2026 14:52:05
Go to top of page