Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of 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

Lucky MC mine (Lucky Mac), Fremont County, Wyoming, USAi
Regional Level Types
Lucky MC mine (Lucky Mac)Mine
Fremont CountyCounty
WyomingState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearchMineralogy
07013490017272016492188.jpg
Parauranophane, etc.

Lucky MC mine, Fremont County, Wyoming, USA
07013490017272016492188.jpg
Parauranophane, etc.

Lucky MC mine, Fremont County, Wyoming, USA
07013490017272016492188.jpg
Parauranophane, etc.

Lucky MC mine, Fremont County, Wyoming, USA
Latitude & Longitude (WGS84):
42° 49' 0'' North , 107° 36' 46'' West
Latitude & Longitude (decimal):
42.81689,-107.61291
GRN:
N29W57
Type:
Mine
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Shoshoni648 (2017)61.7km
Mindat Locality ID:
4231
Long-form identifier:
mindat:1:2:4231:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Lucky Mac Occurrence


Structure: Normal Faults.

Commodity: Uranium, Molybdenum. First 4 ore minerals are most common in the oxidized zone. The next two are most common in the unoxidized zone.

Development: MILL - 1,800 TONS / DAY.

Geology: Selenium occurs as interstitial material in lenses above, below and adjacent to lenses of uranium ore in the oxidized zone. Puddle springs arkose member.

Rock formation(s): Wind River


Ore(s): Interface Between Oxidized And Reduced Rock, Structure.



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


27 valid minerals. 2 (TL) - type locality of valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
ⓘ Coffinite
Formula: U(SiO4) · nH2O
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorapatite var. Carbonate-rich Fluorapatite
Formula: Ca5(PO4,CO3)3(F,O)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Ilsemannite
Formula: Mo3O8 · nH2O
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Jordisite
Formula: MoS2
ⓘ Liebigite
Formula: Ca2(UO2)(CO3)3 · 11H2O
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
ⓘ Metazellerite (TL)
Formula: Ca(UO2)(CO3)2 · 3H2O
Type Locality:
ⓘ Metazeunerite
Formula: Cu(UO2)2(AsO4)2 · 8H2O
ⓘ Native Selenium
Formula: Se
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Parauranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘ Phosphuranylite
Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rutherfordine
Formula: (UO2)CO3
ⓘ Sabugalite
Formula: HAl(UO2)4(PO4)4 · 16H2O
ⓘ Schoepite
Formula: (UO2)8O2(OH)12 · 12H2O
ⓘ Soddyite
Formula: (UO2)2SiO4 · 2H2O
ⓘ Umohoite
Formula: (UO2)MoO4 · 2H2O
ⓘ Uraninite
Formula: UO2
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘ Zellerite (TL)
Formula: Ca(UO2)(CO3)2 · 5H2O
Type Locality:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Selenium1.CC.10Se
Group 2 - Sulphides and Sulfosalts
ⓘJordisite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘUraninite4.DL.05UO2
ⓘIlsemannite4.FJ.15Mo3O8 · nH2O
ⓘSchoepite4.GA.05(UO2)8O2(OH)12 · 12H2O
ⓘUmohoite4.GC.10(UO2)MoO4 · 2H2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘRutherfordine5.EB.05(UO2)CO3
ⓘMetazellerite (TL)5.EC.10Ca(UO2)(CO3)2 · 3H2O
ⓘZellerite (TL)5.EC.10Ca(UO2)(CO3)2 · 5H2O
ⓘLiebigite5.ED.20Ca2(UO2)(CO3)3 · 11H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite
var. Carbonate-rich Fluorapatite		8.BN.05Ca5(PO4,CO3)3(F,O)
ⓘ8.BN.05Ca5(PO4)3F
ⓘMeta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
ⓘMetazeunerite8.EB.10Cu(UO2)2(AsO4)2 · 8H2O
ⓘSabugalite8.EB.55HAl(UO2)4(PO4)4 · 16H2O
ⓘPhosphuranylite8.EC.10KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Group 9 - Silicates
ⓘCoffinite9.AD.30U(SiO4) · nH2O
ⓘSoddyite9.AK.05(UO2)2SiO4 · 2H2O
ⓘParauranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Unclassified
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ CoffiniteU(SiO4) · nH2O
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ IlsemanniteMo3O8 · nH2O
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ LiebigiteCa2(UO2)(CO3)3 · 11H2O
Hⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ MetazelleriteCa(UO2)(CO3)2 · 3H2O
Hⓘ MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Hⓘ OpalSiO2 · nH2O
Hⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Hⓘ SabugaliteHAl(UO2)4(PO4)4 · 16H2O
Hⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Hⓘ Soddyite(UO2)2SiO4 · 2H2O
Hⓘ Umohoite(UO2)MoO4 · 2H2O
Hⓘ ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Hⓘ ZelleriteCa(UO2)(CO3)2 · 5H2O
CCarbon
Cⓘ CalciteCaCO3
Cⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Cⓘ LiebigiteCa2(UO2)(CO3)3 · 11H2O
Cⓘ MetazelleriteCa(UO2)(CO3)2 · 3H2O
Cⓘ Rutherfordine(UO2)CO3
Cⓘ ZelleriteCa(UO2)(CO3)2 · 5H2O
OOxygen
Oⓘ CalciteCaCO3
Oⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Oⓘ CoffiniteU(SiO4) · nH2O
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ IlsemanniteMo3O8 · nH2O
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ LiebigiteCa2(UO2)(CO3)3 · 11H2O
Oⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ MetazelleriteCa(UO2)(CO3)2 · 3H2O
Oⓘ MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Oⓘ OpalSiO2 · nH2O
Oⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Oⓘ QuartzSiO2
Oⓘ Rutherfordine(UO2)CO3
Oⓘ SabugaliteHAl(UO2)4(PO4)4 · 16H2O
Oⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Oⓘ Soddyite(UO2)2SiO4 · 2H2O
Oⓘ Umohoite(UO2)MoO4 · 2H2O
Oⓘ UraniniteUO2
Oⓘ ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ ZelleriteCa(UO2)(CO3)2 · 5H2O
FFluorine
Fⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Fⓘ FluorapatiteCa5(PO4)3F
AlAluminium
Alⓘ SabugaliteHAl(UO2)4(PO4)4 · 16H2O
SiSilicon
Siⓘ CoffiniteU(SiO4) · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ Soddyite(UO2)2SiO4 · 2H2O
Siⓘ ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
PPhosphorus
Pⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Pⓘ SabugaliteHAl(UO2)4(PO4)4 · 16H2O
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ JordisiteMoS2
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ LiebigiteCa2(UO2)(CO3)3 · 11H2O
Caⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Caⓘ MetazelleriteCa(UO2)(CO3)2 · 3H2O
Caⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Caⓘ ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Caⓘ ZelleriteCa(UO2)(CO3)2 · 5H2O
FeIron
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cuⓘ MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
AsArsenic
Asⓘ MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
SeSelenium
Seⓘ Native SeleniumSe
MoMolybdenum
Moⓘ IlsemanniteMo3O8 · nH2O
Moⓘ JordisiteMoS2
Moⓘ Umohoite(UO2)MoO4 · 2H2O
UUranium
Uⓘ CoffiniteU(SiO4) · nH2O
Uⓘ LiebigiteCa2(UO2)(CO3)3 · 11H2O
Uⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ MetazelleriteCa(UO2)(CO3)2 · 3H2O
Uⓘ MetazeuneriteCu(UO2)2(AsO4)2 · 8H2O
Uⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Uⓘ Rutherfordine(UO2)CO3
Uⓘ SabugaliteHAl(UO2)4(PO4)4 · 16H2O
Uⓘ Schoepite(UO2)8O2(OH)12 · 12H2O
Uⓘ Soddyite(UO2)2SiO4 · 2H2O
Uⓘ Umohoite(UO2)MoO4 · 2H2O
Uⓘ UraniniteUO2
Uⓘ ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Uⓘ ZelleriteCa(UO2)(CO3)2 · 5H2O

Other Databases

Link to USGS MRDS:10072335

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.

References

Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 pp.361-370
Coleman, Robert Griffin; Appleman, Daniel E. (1957) Umohoite from the Lucky MC Mine, Fremont County, Wyoming. Trace Elements Investigations 657. US Geological Survey doi:10.3133/tei657
Coleman, Robert G.; Appleman, Daniel E. (1957) Umohoite from the Lucky MC Mine, Wyoming. American Mineralogist, 42 (9-10). p.657-660.
Coleman, R. G., Ross, D. R., Meyrowitz, R. (1966) Zellerite and metazellerite, new uranyl carbonates. American Mineralogist, 51 (11-12) 1567-1578
Quick NavTopCommoditiesMineral ListRock TypesOther DatabasesOther RegionsReferences
 
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 3, 2026 08:47:19 Page updated: July 24, 2026 00:12:36
Go to top of page