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Franklin Shaft No. 73, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USAi
Regional Level Types
Franklin Shaft No. 73Group ofShafts
Idaho Springs Mining District (Virginia Mining District)Mining District
Clear Creek CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
39° 45' 38'' North , 105° 30' 28'' West
Latitude & Longitude (decimal):
39.76056,-105.50777
GeoHash:
G#:9xhfpn5w4
GRN:
N27W59
Type:
Group ofShafts
Köppen climate type:
Dfc : Subarctic climate
Nearest Settlements:
PlacePopulationDistance
Idaho Springs1,728(2017)2.1km
Black Hawk125(2017)4.2km
Central City724(2017)4.6km
Downieville-Lawson-Dumont594(2011)9.4km
Saint Marys283(2011)13.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Flatirons Mineral ClubBoulder, Colorado35km
Mile High Rock and Mineral SocietyArvada, Colorado36km
Colorado Mineral SocietyLakewood, Colorado37km
Denver Gem and Mineral GuildDenver, Colorado45km
Friends of Mineralogy - Colorado ChapterDenver, Colorado45km
Mindat Locality ID:
111306
Long-form identifier:
mindat:1:2:111306:1
GUID (UUID V4):
0



Commodities (Major) - Gold
Development Status: Past Producer

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


9 valid minerals.

Detailed Mineral List:

ⓘBaryte
Formula:BaSO4
ⓘChalcopyrite
Formula:CuFeS2
ⓘGalena
Formula:PbS
ⓘNative Gold
Formula:Au
ⓘNative Silver
Formula:Ag
ⓘPyrite
Formula:FeS2
ⓘQuartz
Formula:SiO2
ⓘRhodochrosite
Formula:MnCO3
ⓘSphalerite
Formula:ZnS
ⓘ'Tennantite Subgroup'
Formula:Cu6(Cu4C2+2)As4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4

List of minerals for each chemical element

CCarbon
CⓘRhodochrositeMnCO3
OOxygen
OⓘBaryteBaSO4
OⓘQuartzSiO2
OⓘRhodochrositeMnCO3
SiSilicon
SiⓘQuartzSiO2
SSulfur
SⓘBaryteBaSO4
SⓘChalcopyriteCuFeS2
SⓘGalenaPbS
SⓘPyriteFeS2
SⓘSphaleriteZnS
SⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
MnManganese
MnⓘRhodochrositeMnCO3
FeIron
FeⓘChalcopyriteCuFeS2
FeⓘPyriteFeS2
CuCopper
CuⓘChalcopyriteCuFeS2
CuⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
ZnZinc
ZnⓘSphaleriteZnS
AsArsenic
AsⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
AgSilver
AgⓘNative SilverAg
BaBarium
BaⓘBaryteBaSO4
AuGold
AuⓘNative GoldAu
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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.
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