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Nederland District, Boulder Co., Colorado, USAi
Regional Level Types
Nederland DistrictMining District
Boulder Co.County
ColoradoState
USACountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 40° North , 105° West (est.)
Margin of Error:~34km
Locality type:Mining District
Köppen climate type:BSk : Cold semi-arid (steppe) climate


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Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

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Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

30 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Alabandite
Formula: MnS
Reference: Minerals of Colorado (1997) Eckel, E. B.
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Altaite
Formula: PbTe
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Apatite'
Reference: Minerals of Colorado (1997) Eckel, E. B.
Baryte
Formula: BaSO4
Reference: U.S. Geological Survey Professional Paper 223
Beidellite
Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Calaverite
Formula: AuTe2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Chalcopyrite
Formula: CuFeS2
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Cimolite'
Formula: Al4Si9O24 · 6H2O
Reference: Minerals of Colorado (1997) E.B. Eckel
'Clays'
Reference: U.S. Geological Survey Professional Paper 223
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: Minerals of Colorado (1997) E.B. Eckel
'Electrum'
Formula: (Au, Ag)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Ferberite
Formula: FeWO4
Localities: Reported from at least 6 localities in this region.
Reference: [www.johnbetts-fineminerals.com]
Fluorite
Formula: CaF2
Reference: Rocks & Min.: 24:230.
Freibergite
Formula: Ag6[Cu4Fe2]Sb4S13-x
Reference: Minerals of Colorado (1997) Eckel, E. B.
Galena
Formula: PbS
Goethite
Formula: α-Fe3+O(OH)
Reference: Minerals of Colorado (1997) Eckel, E. B.
Gold
Formula: Au
Localities: Reported from at least 13 localities in this region.
Goyazite
Formula: SrAl3(PO4)(PO3OH)(OH)6
Reference: Minerals of Colorado (1997) Eckel, E. B.
Hematite
Formula: Fe2O3
Reference: Minerals of Colorado (1997) Eckel, E. B.
Hessite
Formula: Ag2Te
Reference: Minerals of Colorado (1997) Eckel, E. B.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey Professional Paper 223
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Minerals of Colorado (1997) E.B. Eckel
Miargyrite
Formula: AgSbS2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Molybdenite
Formula: MoS2
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Minerals of Colorado (1997) E.B. Eckel
Opal
Formula: SiO2 · nH2O
Pearceite
Formula: [Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Reference: Minerals of Colorado (1997) E.B. Eckel
Petzite
Formula: Ag3AuTe2
Reference: Minerals of Colorado (1997) Eckel, E. B.
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: Minerals of Colorado (1997) E.B. Eckel
Pyrite
Formula: FeS2
Reference: U.S. Geological Survey Professional Paper 223
Quartz
Formula: SiO2
Quartz var: Chalcedony
Formula: SiO2
Reference: U.S. Geological Survey Professional Paper 223
Silver
Formula: Ag
Sphalerite
Formula: ZnS
Reference: Rocks & Min.: 24:230.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Minerals of Colorado (1997) Eckel, E. B.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Minerals of Colorado (1997) E.B. Eckel

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Alabandite2.CD.10MnS
Altaite2.CD.10PbTe
Calaverite2.EA.10AuTe2
Chalcopyrite2.CB.10aCuFeS2
Freibergite2.GB.05Ag6[Cu4Fe2]Sb4S13-x
Galena2.CD.10PbS
Hessite2.BA.60Ag2Te
Miargyrite2.HA.10AgSbS2
Molybdenite2.EA.30MoS2
Pearceite2.GB.15[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Petzite2.BA.75Ag3AuTe2
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Ferberite4.DB.30FeWO4
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Goyazite8.BL.10SrAl3(PO4)(PO3OH)(OH)6
Group 9 - Silicates
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Beidellite9.EC.40(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Dickite9.ED.05Al2(Si2O5)(OH)4
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Cimolite'-Al4Si9O24 · 6H2O
'Clays'-
'Limonite'-(Fe,O,OH,H2O)
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
Petzite2.4.3.3Ag3AuTe2
AmXp, with m:p = 1:1
Alabandite2.8.1.4MnS
Altaite2.8.1.3PbTe
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Calaverite2.12.13.2AuTe2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Pearceite3.1.8.1[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
3 <ø < 4
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 2
Miargyrite3.7.3.2AgSbS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq·xH2O
Goyazite42.7.3.3SrAl3(PO4)(PO3OH)(OH)6
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Ferberite48.1.1.2FeWO4
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Allophane71.1.5.1(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Dickite71.1.1.1Al2(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 clays
Beidellite71.3.1a.1(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Cimolite'-Al4Si9O24 · 6H2O
'Clays'-
'Electrum'-(Au, Ag)
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Chalcedony
-SiO2
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H GoyaziteSrAl3(PO4)(PO3OH)(OH)6
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
H DickiteAl2(Si2O5)(OH)4
H CimoliteAl4Si9O24 · 6H2O
H Goethiteα-Fe3+O(OH)
H Limonite(Fe,O,OH,H2O)
H OpalSiO2 · nH2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H KaoliniteAl2(Si2O5)(OH)4
OOxygen
O GoyaziteSrAl3(PO4)(PO3OH)(OH)6
O FerberiteFeWO4
O QuartzSiO2
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
O DickiteAl2(Si2O5)(OH)4
O CimoliteAl4Si9O24 · 6H2O
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O Limonite(Fe,O,OH,H2O)
O OpalSiO2 · nH2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O Quartz (var: Chalcedony)SiO2
O BaryteBaSO4
O KaoliniteAl2(Si2O5)(OH)4
FFluorine
F FluoriteCaF2
NaSodium
Na Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MgMagnesium
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Al DickiteAl2(Si2O5)(OH)4
Al CimoliteAl4Si9O24 · 6H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si QuartzSiO2
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Si DickiteAl2(Si2O5)(OH)4
Si CimoliteAl4Si9O24 · 6H2O
Si OpalSiO2 · nH2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si Quartz (var: Chalcedony)SiO2
Si KaoliniteAl2(Si2O5)(OH)4
PPhosphorus
P GoyaziteSrAl3(PO4)(PO3OH)(OH)6
SSulfur
S GalenaPbS
S SphaleriteZnS
S MolybdeniteMoS2
S AlabanditeMnS
S FreibergiteAg6[Cu4Fe2]Sb4S13-x
S ChalcopyriteCuFeS2
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S MiargyriteAgSbS2
S Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S BaryteBaSO4
S PyriteFeS2
CaCalcium
Ca FluoriteCaF2
Ca Beidellite(Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mn AlabanditeMnS
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe FerberiteFeWO4
Fe FreibergiteAg6[Cu4Fe2]Sb4S13-x
Fe ChalcopyriteCuFeS2
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe Limonite(Fe,O,OH,H2O)
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe PyriteFeS2
CuCopper
Cu FreibergiteAg6[Cu4Fe2]Sb4S13-x
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
SrStrontium
Sr GoyaziteSrAl3(PO4)(PO3OH)(OH)6
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg
Ag Electrum(Au, Ag)
Ag HessiteAg2Te
Ag PetziteAg3AuTe2
Ag FreibergiteAg6[Cu4Fe2]Sb4S13-x
Ag MiargyriteAgSbS2
Ag Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
SbAntimony
Sb FreibergiteAg6[Cu4Fe2]Sb4S13-x
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb MiargyriteAgSbS2
Sb Pearceite[Ag9CuS4][(Ag,Cu)6(As,Sb)2S7]
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
TeTellurium
Te AltaitePbTe
Te CalaveriteAuTe2
Te HessiteAg2Te
Te PetziteAg3AuTe2
BaBarium
Ba BaryteBaSO4
WTungsten
W FerberiteFeWO4
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
AuGold
Au GoldAu
Au CalaveriteAuTe2
Au Electrum(Au, Ag)
Au PetziteAg3AuTe2
PbLead
Pb GalenaPbS
Pb AltaitePbTe

Localities in this Region
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