Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Koktokay No. 1 pegmatite, Koktokay pegmatite field (Keketuohai pegmatite field), Fuyun Co. (Koktokay Co.), Aletai Prefecture (Altay Prefecture), Yili Hasake Autonomous Prefecture, Xinjiang, Chinai
Regional Level Types
Koktokay No. 1 pegmatitePegmatite
Koktokay pegmatite field (Keketuohai pegmatite field)Pegmatite Field
Fuyun Co. (Koktokay Co.)County
Aletai Prefecture (Altay Prefecture)Prefecture
Yili Hasake Autonomous PrefecturePrefecture
XinjiangAutonomous Region
ChinaCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
47° 11' 39'' North , 89° 48' 43'' East
Latitude & Longitude (decimal):
47.19442,89.81215
GeoHash:
G#: vbru7xrpq
GRN:
N32E45
Type:
Pegmatite
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
135208
Long-form identifier:
mindat:1:2:135208:8
GUID (UUID V4):
0


Li-Cs-Ta-rich granitic pegmatite. MnZrTa2O8 phase.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 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)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
ⓘ Columbite-(Mn)
Formula: Mn2+Nb2O6
ⓘ Hafnon
Formula: Hf(SiO4)
ⓘ 'Lepidolite'
ⓘ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Rutile var. Ilmenorutile
Formula: (Ti,Nb)O2
ⓘ Spodumene
Formula: LiAlSi2O6
References:
www.chinamining.org (2007) http://www.chinamining.org/Facts/2006-10-10/1160464384d1491.html
Yin, R., Wang, R. C., Zhang, A.-C., Hu, H., Zhu, J. C., Rao, C., Zhang, H. (2013) Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China. American Mineralogist, 98 (10). 1714-1724 doi:10.2138/am.2013.4494
Wang R, Yin R, Zhang A (2014)Evolution and decomposition of Zr-Hf-U-bearing columbite-group minerals in Koktokay no. 1 granitic pegmatite dyke, Altai, northwestern China. 21 st meeting of the International Mineralogical Association. p 263
Cao, C., Shen, P., Bai, Y., Luo, Y., Feng, H., Li, C., & Pan, H. (2022). Chemical evolution of micas and Nb-Ta oxides from the Koktokay pegmatites, Altay, NW China: Insights into rare-metal mineralization and genetic relationships. Ore Geology Reviews, 146, 104933.
ⓘ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
ⓘ Tantalite-(Mn)
Formula: Mn2+Ta2O6
ⓘ Uraninite
Formula: UO2
ⓘ Wodginite
Formula: Mn2+Sn4+Ta2O8
ⓘ Zircon
Formula: Zr(SiO4)
References:
Yin, R., Wang, R. C., Zhang, A.-C., Hu, H., Zhu, J. C., Rao, C., Zhang, H. (2013) Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China. American Mineralogist, 98 (10). 1714-1724 doi:10.2138/am.2013.4494
Wang R, Yin R, Zhang A (2014)Evolution and decomposition of Zr-Hf-U-bearing columbite-group minerals in Koktokay no. 1 granitic pegmatite dyke, Altai, northwestern China. 21 st meeting of the International Mineralogical Association. p 263
Yin, R., Wang, R. C., Zhang, A. C., Hu, H., Zhu, J. C., Rao, C., & Zhang, H. (2015). Chemical Evolution and Late-stage Re-equilibration of Zr-Hf-U-bearing Columbite-group Minerals in the Koktokay No. 1 Granitic Pegmatite, Altai, Northwestern China. The Canadian Mineralogist, 53(3), 461-478.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘQuartz4.DA.05SiO2
ⓘRutile
var. Ilmenorutile		4.DB.05(Ti,Nb)O2
ⓘ4.DB.05TiO2
ⓘColumbite-(Mn)4.DB.35Mn2+Nb2O6
ⓘTantalite-(Mn)4.DB.35Mn2+Ta2O6
ⓘWodginite4.DB.40Mn2+Sn4+Ta2O8
ⓘUraninite4.DL.05UO2
Group 9 - Silicates
ⓘHafnon9.AD.30Hf(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘSpodumene9.DA.30LiAlSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Cleavelandite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Lepidolite'-
ⓘ'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
LiLithium
Liⓘ SpodumeneLiAlSi2O6
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ HafnonHf(SiO4)
Oⓘ Rutile var. Ilmenorutile(Ti,Nb)O2
Oⓘ Columbite-(Mn)Mn2+Nb2O6
Oⓘ Tantalite-(Mn)Mn2+Ta2O6
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SpodumeneLiAlSi2O6
Oⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oⓘ UraniniteUO2
Oⓘ WodginiteMn2+Sn4+Ta2O8
Oⓘ ZirconZr(SiO4)
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Columbite-(Fe)-Columbite-(Mn) Series
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SpodumeneLiAlSi2O6
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ HafnonHf(SiO4)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ SpodumeneLiAlSi2O6
Siⓘ ZirconZr(SiO4)
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
TiTitanium
Tiⓘ Rutile var. Ilmenorutile(Ti,Nb)O2
Tiⓘ RutileTiO2
MnManganese
Mnⓘ Columbite-(Mn)Mn2+Nb2O6
Mnⓘ Tantalite-(Mn)Mn2+Ta2O6
Mnⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Mnⓘ WodginiteMn2+Sn4+Ta2O8
Mnⓘ Columbite-(Fe)-Columbite-(Mn) Series
FeIron
Feⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Feⓘ Columbite-(Fe)-Columbite-(Mn) Series
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Rutile var. Ilmenorutile(Ti,Nb)O2
Nbⓘ Columbite-(Mn)Mn2+Nb2O6
Nbⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Nbⓘ Columbite-(Fe)-Columbite-(Mn) Series
SnTin
Snⓘ WodginiteMn2+Sn4+Ta2O8
HfHafnium
Hfⓘ HafnonHf(SiO4)
TaTantalum
Taⓘ Tantalite-(Mn)Mn2+Ta2O6
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ Tantalite(Mn,Fe)(Ta,Nb)2O6
Taⓘ WodginiteMn2+Sn4+Ta2O8
UUranium
Uⓘ UraniniteUO2

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian PlateTectonic Plate
TurkestanArea

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

https://www.mineralienatlas.de/lexikon/index.php/China/Xinjiang%2C%20Provinz/Ili%20%28Yili%20Hasake%29%2C%20autonome%20Pr%C3%A4fektur/Altay%2C%20Bezirk/Koktokay%20%28Fuyun%29%2C%20Kreis/Koktokay%20Pegmatitfeld/Koktokay%20No.1%20Pegmatit
Yin, R., Wang, R. C., Zhang, A.-C., Hu, H., Zhu, J. C., Rao, C., Zhang, H. (2013) Extreme fractionation from zircon to hafnon in the Koktokay No. 1 granitic pegmatite, Altai, northwestern China. American Mineralogist, 98 (10). 1714-1724 doi:10.2138/am.2013.4494
Wang R, Yin R, Zhang A (2014)Evolution and decomposition of Zr-Hf-U-bearing columbite-group minerals in Koktokay no. 1 granitic pegmatite dyke, Altai, northwestern China. 21 st meeting of the International Mineralogical Association. p 263
Yin, R., Wang, R. C., Zhang, A. C., Hu, H., Zhu, J. C., Rao, C., & Zhang, H. (2015). Chemical Evolution and Late-stage Re-equilibration of Zr-Hf-U-bearing Columbite-group Minerals in the Koktokay No. 1 Granitic Pegmatite, Altai, Northwestern China. The Canadian Mineralogist, 53(3), 461-478.
Quick NavTopMineral ListRock TypesOther 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: September 29, 2026 03:41:13 Page updated: August 16, 2025 06:47:08
Go to top of page