Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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

Humboldt et al Claims, Cascade, Chicago Creek, Clear Creek County, Colorado, USAi
Regional Level Types
Humboldt et al ClaimsGroup of Claims
Cascade- not defined -
Chicago CreekCreek
Clear Creek CountyCounty
ColoradoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
39° 43' North , 105° 37' West
Latitude & Longitude (decimal):
Type:
Group of Claims
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Downieville-Lawson-Dumont594 (2011)5.3km
Georgetown1,049 (2017)7.0km
Empire287 (2017)7.6km
Idaho Springs1,728 (2017)9.3km
Silver Plume174 (2017)9.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Colorado Gold CampFrisco, Colorado44km
Flatirons Mineral ClubBoulder, Colorado44km
Colorado Mineral SocietyLakewood, Colorado46km
Mile High Rock and Mineral SocietyArvada, Colorado46km
Mindat Locality ID:
111420
Long-form identifier:
mindat:1:2:111420:4
GUID (UUID V4):
0


USGS PROF PAPER 21
Commodities (Major) - Copper, Uranium, Silver, Gold
Development Status: Occurrence
Host Rock Unit: Burns Latite And Rhyodacite, Silverton Volcanic Group
Host Rock: Gneiss, Schist, Pegmatite

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


10 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:

Chalcopyrite
Formula: CuFeS2
Galena
Formula: PbS
Marcasite
Formula: FeS2
Native Gold
Formula: Au
Polybasite
Formula: [Ag6Sb2S7][Ag9CuS4]
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Quartz var. Chalcedony
Formula: SiO2
Sphalerite
Formula: ZnS
'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Uraninite
Formula: UO2
Uraninite var. Pitchblende
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Native Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Marcasite2.EB.10aFeS2
'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
Polybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
Group 4 - Oxides and Hydroxides
Quartz
var. Chalcedony
4.DA.05SiO2
4.DA.05SiO2
Uraninite
var. Pitchblende
4.DL.05UO2
4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O

List of minerals for each chemical element

HHydrogen
H TorberniteCu(UO2)2(PO4)2 · 12H2O
OOxygen
O Quartz var. ChalcedonySiO2
O Uraninite var. PitchblendeUO2
O QuartzSiO2
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O UraniniteUO2
SiSilicon
Si Quartz var. ChalcedonySiO2
Si QuartzSiO2
PPhosphorus
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S ChalcopyriteCuFeS2
S GalenaPbS
S MarcasiteFeS2
S Polybasite[Ag6Sb2S7][Ag9CuS4]
S PyriteFeS2
S SphaleriteZnS
S Tennantite SubgroupCu6(Cu4C22+)As4S12S
FeIron
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu Polybasite[Ag6Sb2S7][Ag9CuS4]
Cu Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Zn SphaleriteZnS
AsArsenic
As Tennantite SubgroupCu6(Cu4C22+)As4S12S
AgSilver
Ag Polybasite[Ag6Sb2S7][Ag9CuS4]
SbAntimony
Sb Polybasite[Ag6Sb2S7][Ag9CuS4]
AuGold
Au Native GoldAu
PbLead
Pb GalenaPbS
UUranium
U Uraninite var. PitchblendeUO2
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2

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 6, 2026 02:59:47 Page updated: August 10, 2025 08:50:29
Go to top of page