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Idaho Springs Formation, Gilpin County, Colorado, USAi
Regional Level Types
Idaho Springs FormationFormation
Gilpin CountyCounty
ColoradoState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
39° North , 105° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~17km
GRN:
N27W59
Type:
Formation
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
134222
Long-form identifier:
mindat:1:2:134222:5
GUID (UUID V4):
d84a8be3-b554-4524-9b6c-8a93d48422d8


Precambrian metamorphic rocks

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals.

Detailed Mineral List:

ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
ⓘ Cummingtonite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Gedrite
Formula: ◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Spinel
Formula: MgAl2O4
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘCordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘGedrite9.DD.05◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
ⓘCummingtonite9.DE.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Oⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SpinelMgAl2O4
Oⓘ ZirconZr(SiO4)
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Mgⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Alⓘ Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Siⓘ Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ Gedrite◻{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Garnet GroupX3Z2(SiO4)3
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Cordierite(Mg,Fe)2Al3(AlSi5O18)
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
ZrZirconium
Zrⓘ ZirconZr(SiO4)

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