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

Logan & Sunbeam Occurrence, Gold Hill Mining District, Boulder County, Colorado, USAi
Regional Level Types
Logan & Sunbeam OccurrenceOccurrence
Gold Hill Mining DistrictMining District
Boulder CountyCounty
ColoradoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
40° 2' 15'' North , 105° 23' 12'' West
Latitude & Longitude (decimal):
40.03750,-105.38667
GeoHash:
G#: 9xj5cbeg2
GRN:
N27W59
Type:
Occurrence
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Mountain Meadows274 (2011)1.6km
Crisman186 (2011)2.2km
Sugarloaf261 (2011)2.9km
Gold Hill230 (2011)3.5km
Sunshine230 (2011)3.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado10km
Mile High Rock and Mineral SocietyArvada, Colorado36km
Colorado Mineral SocietyLakewood, Colorado45km
Denver Gem and Mineral GuildDenver, Colorado48km
Friends of Mineralogy - Colorado Chapter Denver, Colorado48km
Mindat Locality ID:
110217
Long-form identifier:
mindat:1:2:110217:1
GUID (UUID V4):
0


REF:Deposit:: LOVERING AND GODDARD, 1950, USGS PP 223, PG 254.
Deposit:: STATE OF COLO METAL MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLO.
Deposit:: CONSV. DIV. COMP. DATE, 1,62
Deposit:: REF. VANDERWILT MINERAL RESOURCES OF COLO. P 320
Deposit:: BMC RECORD DATA FILES
Deposit:: LOVERING AND GODDARD, 1950, USGS PP 223, PL. 23, PG. 247-249
Deposit:: USGS BOULDER TOPO QUAD, 1957, 7 1/2 MIN
Deposit:: CONSV. DIV. COMP. DATE, 1,62
Commodities (Major) - Tungsten, Gold
Deposit Type: Vein
Development Status: Occurrence
Host Rock Unit: Unconsolidated Deposits Of Young Glacial Drift
Host Rock: Granite
Veins - Logan, Teller, Mud

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.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Ferberite
Formula: FeWO4
ⓘ 'Freibergite Subgroup'
Formula: (Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
ⓘ Marcasite
Formula: FeS2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Roscoelite
Formula: KV3+2(AlSi3O10)(OH)2
ⓘ Sphalerite
Formula: ZnS
ⓘ Sylvanite
Formula: AgAuTe4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘGalena2.CD.10PbS
ⓘSylvanite2.EA.05AgAuTe4
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘ'Freibergite Subgroup'2.GB.05(Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1
Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘFerberite4.DB.30FeWO4
Group 9 - Silicates
ⓘRoscoelite9.EC.15KV3+2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
OOxygen
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ FerberiteFeWO4
Oⓘ QuartzSiO2
Oⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
AlAluminium
Alⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
SiSilicon
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ QuartzSiO2
Siⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
SSulfur
Sⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Sⓘ GalenaPbS
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
KPotassium
Kⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
VVanadium
Vⓘ RoscoeliteKV23+(AlSi3O10)(OH)2
FeIron
Feⓘ FerberiteFeWO4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
ZnZinc
Znⓘ SphaleriteZnS
AgSilver
Agⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
Agⓘ SylvaniteAgAuTe4
SbAntimony
Sbⓘ Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C22+)Sb4S12S0-1
TeTellurium
Teⓘ SylvaniteAgAuTe4
WTungsten
Wⓘ FerberiteFeWO4
AuGold
Auⓘ GoldAu
Auⓘ SylvaniteAgAuTe4
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
Quick NavTopCommoditiesMineral ListRock TypesOther 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 16:50:24 Page updated: August 5, 2025 04:21:29
Go to top of page