Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Snowflake Feldspar Mine, Teller County, Colorado, USAi
Regional Level Types
Snowflake Feldspar MineMine
Teller CountyCounty
ColoradoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
03765600017272012144544.jpg
Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
06217640017272012153859.jpg
Looking Down Into the Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
08901540017272012165189.jpg
Fergusonite-(Y)

Snowflake Feldspar Mine, Teller County, Colorado, USA
03765600017272012144544.jpg
Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
06217640017272012153859.jpg
Looking Down Into the Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
08901540017272012165189.jpg
Fergusonite-(Y)

Snowflake Feldspar Mine, Teller County, Colorado, USA
03765600017272012144544.jpg
Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
06217640017272012153859.jpg
Looking Down Into the Main Cut

Snowflake Feldspar Mine, Teller County, Colorado, USA
Latitude & Longitude (WGS84):
39° 3' 46'' North , 105° 8' 21'' West
Latitude & Longitude (decimal):
39.06290,-105.13936
GeoHash:
G#: 9wvnprpvg
GRN:
N27W58
Type:
Mine
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Westcreek129 (2011)10.2km
Woodland Park7,222 (2017)10.5km
Divide127 (2011)13.5km
Green Mountain Falls656 (2017)17.7km
Cascade-Chipita Park1,655 (2011)17.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Lake George Gem & Mineral clubLake George, Colorado21km
Colorado Springs Mineral SocietyColorado Springs, Colorado37km
Mindat Locality ID:
3691
Long-form identifier:
mindat:1:2:3691:0
GUID (UUID V4):
0


A feldspar mine located 6.5 miles NW of Woodlawn Park.

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


11 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Fergusonite'
ⓘ Fergusonite-(Y)
Formula: YNbO4
ⓘ Fluorite
Formula: CaF2
ⓘ Fluorite var. Yttrofluorite
Formula: (Ca1-xYx)F2+x where 0.05 < x < 0.3
ⓘ 'Gadolinite'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Molybdenite
Formula: MoS2
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Quartz
Formula: SiO2
ⓘ Synchysite-(Y)
Formula: CaY(CO3)2F
ⓘ Thalénite-(Y)
Formula: Y3Si3O10F
ⓘ Xenotime-(Y)
Formula: Y(PO4)
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]
References:
Rudy Bolona collectionIdentification: Visual Identification

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘMolybdenite2.EA.30MoS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
ⓘvar. Yttrofluorite3.AB.25(Ca1-xYx)F2+x where 0.05 < x < 0.3
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘSynchysite-(Y)5.BD.20cCaY(CO3)2F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘThalénite-(Y)9.BJ.20Y3Si3O10F
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Gadolinite'-
ⓘ'Fergusonite'-
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
CCarbon
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ Synchysite-(Y)CaY(CO3)2F
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Fergusonite-(Y)YNbO4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ QuartzSiO2
Oⓘ Synchysite-(Y)CaY(CO3)2F
Oⓘ Thalénite-(Y)Y3Si3O10F
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ ZirconZr(SiO4)
Oⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
Fⓘ Synchysite-(Y)CaY(CO3)2F
Fⓘ Thalénite-(Y)Y3Si3O10F
Fⓘ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05 < x < 0.3
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ MicroclineK(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Thalénite-(Y)Y3Si3O10F
Siⓘ ZirconZr(SiO4)
Siⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ MolybdeniteMoS2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
CaCalcium
Caⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ Synchysite-(Y)CaY(CO3)2F
Caⓘ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05 < x < 0.3
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Yⓘ Fergusonite-(Y)YNbO4
Yⓘ Synchysite-(Y)CaY(CO3)2F
Yⓘ Thalénite-(Y)Y3Si3O10F
Yⓘ Xenotime-(Y)Y(PO4)
Yⓘ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05 < x < 0.3
ZrZirconium
Zrⓘ ZirconZr(SiO4)
Zrⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nbⓘ Fergusonite-(Y)YNbO4
MoMolybdenum
Moⓘ MolybdeniteMoS2
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Adams, J. W.; Hildebrand, Fred A.; Havens, R. G. (1962): Thalenite from Teller County, Colorado. USGS Professional Paper No. 450-D: 6-8.
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Škoda, Radek, Plášil, Jakub, Jonsson, Erik, Čopjaková, Renata, Langhof, Jörgen, Galiová, Michaela Vašinová (2015) Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79 (4) 965-983 doi:10.1180/minmag.2015.079.4.07
Quick NavTopCommoditiesMineral ListOther RegionsReferences
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 22, 2026 05:18:21 Page updated: August 8, 2025 21:30:20
Go to top of page