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!
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Road Gulch, Fremont County, Colorado, USAi
Regional Level Types
Road GulchGulch
Fremont CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
38° 20' 34'' North , 105° 32' 41'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Coaldale255 (2011)18.7km
Westcliffe577 (2017)24.1km
Silver Cliff591 (2017)24.6km
Howard723 (2011)27.9km
Cañon City16,400 (2013)28.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Canon City Geology ClubCanon City, Colorado29km
Columbine Gem and Mineral SocietySalida, Colorado45km
Mindat Locality ID:
6202
Long-form identifier:
mindat:1:2:6202:5
GUID (UUID V4):
0


Some 1.4 mi from McClure Mountain. Located about 0.3 mi northwest of Road Gulch on the west side of E 1/2 sec. 4, T. 20 N., R. 73 W. (This is thought to be in the same area as the Homestake claims noted by Nelson-Moore and others, 1978 - should be T20S). ("Minerals of Colorado, updated & revised", p. 16, by Eckel, Edwin B., 1997)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

21 valid minerals.

Rock Types Recorded

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

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Baryte
Formula: BaSO4
Bastnäsite-(Ce)
Formula: Ce(CO3)F
Calcite
Formula: CaCO3
Dolomite
Formula: CaMg(CO3)2
Fergusonite-(Y)
Formula: YNbO4
Fluorite
Formula: CaF2
Galena
Formula: PbS
Goethite
Formula: Fe3+O(OH)
Hematite
Formula: Fe2O3
'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
'Limonite'
Magnetite
Formula: Fe2+Fe3+2O4
'Mica Group'
Monazite-(Ce)
Formula: Ce(PO4)
'Psilomelane'
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Rhodochrosite
Formula: MnCO3
'Riebeckite Root Name Group'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'Riebeckite Root Name Group var. Crocidolite'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
Rutile
Formula: TiO2
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS
Thorite
Formula: Th(SiO4)
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.Fe3+O(OH)
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Rhodochrosite5.AB.05MnCO3
Siderite5.AB.05FeCO3
Dolomite5.AB.10CaMg(CO3)2
Bastnäsite-(Ce)5.BD.20aCe(CO3)F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Fergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
var. Titanium-bearing Augite9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Kaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Unclassified
'Limonite'-
'Psilomelane'-
'Mica Group'-
'Riebeckite Root Name Group'-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
'Riebeckite Root Name Group
var. Crocidolite'
-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
H GoethiteFe3+O(OH)
H Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
H Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
H Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C Bastnäsite-(Ce)Ce(CO3)F
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C RhodochrositeMnCO3
C SideriteFeCO3
OOxygen
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BaryteBaSO4
O Bastnäsite-(Ce)Ce(CO3)F
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Fergusonite-(Y)YNbO4
O GoethiteFe3+O(OH)
O HematiteFe2O3
O KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
O MagnetiteFe2+Fe23+O4
O Monazite-(Ce)Ce(PO4)
O QuartzSiO2
O RhodochrositeMnCO3
O RutileTiO2
O SideriteFeCO3
O ThoriteTh(SiO4)
O ZirconZr(SiO4)
O Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
O Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
O Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
O Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F Bastnäsite-(Ce)Ce(CO3)F
F FluoriteCaF2
F Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
F Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
F Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Na Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Na Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Na Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg DolomiteCaMg(CO3)2
Mg KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mg Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
AlAluminium
Al KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Al Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Al Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Si QuartzSiO2
Si ThoriteTh(SiO4)
Si ZirconZr(SiO4)
Si Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Si Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Si Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Si Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
PPhosphorus
P Monazite-(Ce)Ce(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
ClChlorine
Cl Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Cl Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Cl Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
Ca KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ca Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Ca Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Ti RutileTiO2
Ti Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
MnManganese
Mn RhodochrositeMnCO3
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe GoethiteFe3+O(OH)
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe SideriteFeCO3
Fe Riebeckite Root Name Group◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Fe Riebeckite Root Name Group var. Crocidolite◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Fe Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ZnZinc
Zn SphaleriteZnS
YYttrium
Y Fergusonite-(Y)YNbO4
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Fergusonite-(Y)YNbO4
BaBarium
Ba BaryteBaSO4
CeCerium
Ce Bastnäsite-(Ce)Ce(CO3)F
Ce Monazite-(Ce)Ce(PO4)
PbLead
Pb GalenaPbS
ThThorium
Th ThoriteTh(SiO4)

Localities in this Region

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