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Gem Mine, Gem Park complex, Fremont County, Colorado, USAi
Regional Level Types
Gem MineMine
Gem Park complexComplex
Fremont CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 16' 30'' North , 105° 32' 46'' West
Latitude & Longitude (decimal):
38.27526,-105.54617
GeoHash:
G#: 9wucwpz9e
GRN:
N26W60
Type:
Mine
KΓΆppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Westcliffe577 (2017)17.1km
Silver Cliff591 (2017)17.8km
Coaldale255 (2011)21.0km
Howard723 (2011)31.7km
CaΓ±on City16,400 (2013)32.2km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Canon City Geology ClubCanon City, Colorado32km
Columbine Gem and Mineral SocietySalida, Colorado49km
Mindat Locality ID:
6203
Long-form identifier:
mindat:1:2:6203:2
GUID (UUID V4):
2bf3a09f-e9af-402e-af08-5cff6a8c87ce


Ref.: Eckel, Edwin B. (1997), Minerals of Colorado, updated & revised: 16. This old mine, known since Cross (1884), is near the valley floor on the southern slopes of Gem Mountain on the North side of Gem Park (N Β½ sec. 33, T. 47 S., R. 73 W.).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

β“˜ 'Ancylite'
β“˜ Annabergite
Formula: Ni3(AsO4)2 · 8H2O
β“˜ Baryte
Formula: BaSO4
β“˜ Bornite
Formula: Cu5FeS4
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
β“˜ Maucherite
Formula: Ni11As8
β“˜ 'Monazite'
Formula: REE(PO4)
β“˜ Nickeline
Formula: NiAs
β“˜ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Silver ?
Formula: Ag

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Silver ?1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
β“˜Maucherite2.AB.15Ni11As8
β“˜Chalcocite2.BA.05Cu2S
β“˜Bornite2.BA.15Cu5FeS4
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Nickeline2.CC.05NiAs
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Annabergite8.CE.40Ni3(AsO4)2 Β· 8H2O
Group 9 - Silicates
β“˜Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified
β“˜'Monazite'-REE(PO4)
β“˜'Ancylite'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Hβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Oβ“˜ BaryteBaSO4
Oβ“˜ CalciteCaCO3
Oβ“˜ MonaziteREE(PO4)
Oβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
MgMagnesium
Mgβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Alβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Siβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
PPhosphorus
Pβ“˜ MonaziteREE(PO4)
SSulfur
Sβ“˜ BaryteBaSO4
Sβ“˜ BorniteCu5FeS4
Sβ“˜ ChalcopyriteCuFeS2
Sβ“˜ ChalcociteCu2S
Sβ“˜ PyriteFeS2
KPotassium
Kβ“˜ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ CalciteCaCO3
FeIron
Feβ“˜ BorniteCu5FeS4
Feβ“˜ ChalcopyriteCuFeS2
Feβ“˜ PyriteFeS2
NiNickel
Niβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Niβ“˜ MaucheriteNi11As8
Niβ“˜ NickelineNiAs
CuCopper
Cuβ“˜ BorniteCu5FeS4
Cuβ“˜ ChalcopyriteCuFeS2
Cuβ“˜ ChalcociteCu2S
AsArsenic
Asβ“˜ AnnabergiteNi3(AsO4)2 · 8H2O
Asβ“˜ MaucheriteNi11As8
Asβ“˜ NickelineNiAs
AgSilver
Agβ“˜ SilverAg
BaBarium
Baβ“˜ BaryteBaSO4

Other Regions, Features and Areas containing this locality

North America
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

Armbrustmacher, T. J. (1988) Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado. USGS Professional Paper: 1049-F
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