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Devils Head Occurrence (C.M.S.), Devils Head Pegmatite Mining District, Douglas County, Colorado, USAi
Regional Level Types
Devils Head Occurrence (C.M.S.)Occurrence
Devils Head Pegmatite Mining DistrictMining District
Douglas CountyCounty
ColoradoState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
39° 15' 4'' North , 105° 7' 12'' West
Latitude & Longitude (decimal):
39.25111,-105.12000
GeoHash:
G#: 9wvprcmyq
GRN:
N27W58
Type:
Occurrence
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Perry Park1,646 (2011)11.0km
Westcreek129 (2011)11.6km
Larkspur194 (2017)20.2km
Palmer Lake2,590 (2017)22.6km
Sedalia206 (2011)24.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Lake George Gem & Mineral clubLake George, Colorado36km
Littleton Gem and Mineral Club, Inc.Littleton, Colorado41km
Mindat Locality ID:
112553
Long-form identifier:
mindat:1:2:112553:8
GUID (UUID V4):
65ece64c-8fd5-4bd9-b31e-1e2493a4ce3a


Commodities (Major) - Gemstone
Development Status: Occurrence
Host Rock Unit: Laramie Formation
Host Rock: Granite

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Cassiterite
Formula: SnO2
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Microcline var. Amazonite
Formula: K(AlSi3O8)
ⓘ Quartz
Formula: SiO2
ⓘ Topaz
Formula: Al2(SiO4)(F,OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
Group 9 - Silicates
ⓘTopaz9.AF.35Al2(SiO4)(F,OH)2
ⓘMicrocline
var. Amazonite		9.FA.30K(AlSi3O8)
ⓘ9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'var. Perthite'-

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ TopazAl2(SiO4)(F,OH)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Microcline var. AmazoniteK(AlSi3O8)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CassiteriteSnO2
Oⓘ MicroclineK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ TopazAl2(SiO4)(F,OH)2
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ TopazAl2(SiO4)(F,OH)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Microcline var. AmazoniteK(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ MicroclineK(AlSi3O8)
Alⓘ TopazAl2(SiO4)(F,OH)2
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Microcline var. AmazoniteK(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ TopazAl2(SiO4)(F,OH)2
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
KPotassium
Kⓘ Microcline var. AmazoniteK(AlSi3O8)
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SnTin
Snⓘ CassiteriteSnO2

Other Regions, Features and Areas containing this locality

North America
North America PlateTectonic Plate

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

Deposit:: USBM 1966, IC 8298, P. 25
Deposit:: USGS BULL 20, 1885, P. 73-74
Deposit:: USGS P. P. 227, 1950, P. 31
Deposit:: CONSV. DIV. COMP. DATE, 2,62
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