Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

K-7 Tunnel, Challis, Bay Horse Mining District, Custer County, Idaho, USAi
Regional Level Types
K-7 TunnelTunnel
ChallisCity
Bay Horse Mining DistrictMining District
Custer CountyCounty
IdahoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
Latitude & Longitude (WGS84):
44° 24' 9'' North , 114° 18' 28'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Challis1,043 (2017)12.9km
Mindat Locality ID:
247175
Long-form identifier:
mindat:1:2:247175:7
GUID (UUID V4):
0


The K-7 was owned by a Challis miner named Dooley Weaver. The crosscut leading to the stopes is about 1.5 miles above the old ghost town of Bayhorse, Idaho. The entire area is now a state historic park and no collecting of any kind is allowed.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

ⓘ Anglesite
Formula: PbSO4
ⓘ Brochantite
Formula: Cu4(SO4)(OH)6
ⓘ Caledonite
Formula: Pb5Cu2(SO4)3(CO3)(OH)6
ⓘ Cerussite
Formula: PbCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Galena
Formula: PbS
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
References:
Chris DeGrave collection. Purchased from Bart Cannon.Identified by Chris DeGrave: Visual Identification
ⓘ Linarite
Formula: PbCu(SO4)(OH)2
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Oxyplumboroméite
Formula: Pb2Sb2O6O
ⓘ Quartz
Formula: SiO2
ⓘ Smithsonite
Formula: ZnCO3

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOxyplumboroméite4.DH.Pb2Sb2O6O
Group 5 - Nitrates and Carbonates
ⓘSmithsonite5.AB.05ZnCO3
ⓘCerussite5.AB.15PbCO3
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘBrochantite7.BB.25Cu4(SO4)(OH)6
ⓘCaledonite7.BC.50Pb5Cu2(SO4)3(CO3)(OH)6
ⓘLinarite7.BC.65PbCu(SO4)(OH)2
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

List of minerals for each chemical element

HHydrogen
Hⓘ BrochantiteCu4(SO4)(OH)6
Hⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ LinaritePbCu(SO4)(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
CCarbon
Cⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Cⓘ CerussitePbCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ AnglesitePbSO4
Oⓘ BrochantiteCu4(SO4)(OH)6
Oⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Oⓘ CerussitePbCO3
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ LinaritePbCu(SO4)(OH)2
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ QuartzSiO2
Oⓘ SmithsoniteZnCO3
Oⓘ OxyplumboroméitePb2Sb2O6O
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ QuartzSiO2
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BrochantiteCu4(SO4)(OH)6
Sⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ LinaritePbCu(SO4)(OH)2
CaCalcium
Caⓘ GypsumCaSO4 · 2H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
CuCopper
Cuⓘ BrochantiteCu4(SO4)(OH)6
Cuⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cuⓘ LinaritePbCu(SO4)(OH)2
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ SmithsoniteZnCO3
SbAntimony
Sbⓘ OxyplumboroméitePb2Sb2O6O
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CaledonitePb5Cu2(SO4)3(CO3)(OH)6
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ LinaritePbCu(SO4)(OH)2
Pbⓘ OxyplumboroméitePb2Sb2O6O

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.
 
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: October 21, 2026 17:48:32 Page updated: July 24, 2026 08:23:33
Go to top of page