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Cramer Mine (Magnuson Quarry), Devils Head Pegmatite Mining District, Douglas County, Colorado, USAi
Regional Level Types
Cramer Mine (Magnuson Quarry)Mine
Devils Head Pegmatite Mining DistrictMining District
Douglas CountyCounty
ColoradoState
USACountry

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Latitude & Longitude (WGS84):
39° 17' 17'' North , 105° 3' 18'' West
Latitude & Longitude (decimal):
39.28824,-105.05526
GeoHash:
G#: 9wvr92jne
GRN:
N27W58
Type:
Mine
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Perry Park1,646 (2011)6.4km
Larkspur194 (2017)15.9km
Westcreek129 (2011)17.7km
Sedalia206 (2011)18.5km
Castle Rock55,591 (2017)19.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Littleton Gem and Mineral Club, Inc.Littleton, Colorado36km
Lake George Gem & Mineral clubLake George, Colorado43km
Colorado Mineral SocietyLakewood, Colorado46km
Mindat Locality ID:
69055
Long-form identifier:
mindat:1:2:69055:0
GUID (UUID V4):
3aae9642-8f52-4333-8c63-00f39e5d5773


Ref.: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 24 (Table A-1).

A mine located in the NEΒΌ NEΒΌ sec. 12, T.9S., R.69W.

Mineralization is an unzoned, 200 foot long & up to 100 foot wide pegmatite body in granite.

Workings are comprised of an open cut.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
β“˜Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
β“˜Euxenite-(Y)4.DG.05(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Group 9 - Silicates
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ FluoriteCaF2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ MicroclineK(AlSi3O8)
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MicroclineK(AlSi3O8)
CaCalcium
Caβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Caβ“˜ FluoriteCaF2
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
FeIron
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
YYttrium
Yβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
NbNiobium
Nbβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
CeCerium
Ceβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
TaTantalum
Taβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
ThThorium
Thβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
UUranium
Uβ“˜ Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6

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