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About HydroxykenomicroliteHide

Grayish, colorless
Crystal System:
First described as "cesstibtantite" by Voloshin et al. (1981). According to the newly revised nomenclature of the pyrochlore supergroup, the type specimen of "cesstibtantite" should be considered as the type specimen of hydroxykenomicrolite.

Classification of HydroxykenomicroliteHide

Redefined by the IMA, Renamed by the IMA
Approval Year:
First Published:
Approval History:
1982: Approved by IMA as cesstibtantite (IMA 1982-021)
2010: Redefined and renamed as hydroxykenomicrolite (Atencio et al. 2010)

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra

Physical Properties of HydroxykenomicroliteHide

Grayish, colorless

Chemical Properties of HydroxykenomicroliteHide


Crystallography of HydroxykenomicroliteHide

Crystal System:

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014636HydroxykenomicroliteErcit T S, Cerny P, Hawthorne F C (1993) Cesstibtantite - a geologic introduction to the inverse pyrochlores Mineralogy and Petrology 48 235-2551993Leshaia pegmatite, Kola Peninsula, Russia0293
0014637HydroxykenomicroliteErcit T S, Cerny P, Hawthorne F C (1993) Cesstibtantite - a geologic introduction to the inverse pyrochlores Loclity: Tanco pegmatite, Manitoba, Canada Mineralogy and Petrology 48 235-25519930293
CIF Raw Data - click here to close

Type Occurrence of HydroxykenomicroliteHide

General Appearance of Type Material:
greyish adamantine grains
Geological Setting of Type Material:
Albitized zones of granite pegmatite, Kola, Russia
Associated Minerals at Type Locality:

Synonyms of HydroxykenomicroliteHide

Relationship of Hydroxykenomicrolite to other SpeciesHide

Other Members of this group:
Fluorcalciomicrolite(Ca,Na)2(Ta,Nb)2O6FIso. m3m (4/m 3 2/m) : Fd3m
Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
Hydrokenomicrolite(◻,H2O)2Ta2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m)
HydroxycalciomicroliteCa1.5Ta2O6(OH)Iso. 4 3 2 : P42 3 2
Hydroxynatromicrolite(Na,Bi3+,◻)2Ta2O6(OH)Iso. m3m (4/m 3 2/m) : Fd3m
Oxybismutomicrolite(Bi1.330.67)Σ2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
OxycalciomicroliteCa2Ta2O6OIso. m3m (4/m 3 2/m) : Fd3m
Yttromicrolite (of Hogarth)(Ca,Y3+,U,Na)2-x(Ta,Nb,Ti,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Hydroxykenomicrolite associated with SimpsoniteAl4Ta3O13(OH)
1 photo of Hydroxykenomicrolite associated with Tantalite-(Mn)Mn2+Ta2O6
1 photo of Hydroxykenomicrolite associated with Cookeite(Al2Li)Al2(AlSi3O10)(OH)8

Related Minerals - Nickel-Strunz GroupingHide

4.DH.Fluornatropyrochlore(Na,Pb,Ca,REE,U)2Nb2O6FIso. m3m (4/m 3 2/m)
4.DH.Roméite GroupA2(Sb5+)2O6Z
4.DH.OxyplumboroméitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.Cesiokenopyrochlore□Nb2(O,OH)6(Cs,◻) (◻ ∼ 0.20)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.05BranneriteUTi2O6Mon. 2/m : B2/m
4.DH.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mD2X6-wZ1-n
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mD2X6-wZ1-nIso.
4.DH.15Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)Iso.
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutopyrochlore (of Chukanov et al.)(Bi,Ca,U,Pb)2-xNb2(O,OH)6(OH)Amor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimolitePb2Sb5+2O7Iso. m3m (4/m 3 2/m)
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 3 2 : P31 2 1
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6 m2 : P6m2

Fluorescence of HydroxykenomicroliteHide

Orange under long wave ultraviolet light

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HydroxykenomicroliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Voloshin, A.V., Men´shikov, Y.P., Pakhomovsky, Y.A., and Polezhaeva, L.I. (1981) Cesstibtantite, (Cs,Na)SbTa4O12, a new mineral from granitic pegmatites. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 110(3): 345-351 [as cesstibtantite].
Fleischer, M., Burns, R.G., Cabri, L.J., Francis, C.A., and Pabst, A. (1982) New mineral names. American Mineralogist. 67: 413-418 [as cesstibtantite].
Ercit, T.S., Černý, P., and Hawthorne, F.C. (1993) Cesstibtantite - a geologic introduction to the inverse pyrochlores. Mineralogy and Petrology: 48: 235-255 [as cesstibtantite].
Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., and Kartashov, P.M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist: 48: 673-698.
Christy, A.G. and Atencio, D. (2013) Clarification of status of species in the pyrochlore supergroup. Mineralogical Magazine: 77: 13-20.

Internet Links for HydroxykenomicroliteHide

Localities for HydroxykenomicroliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Córdoba Province
    • Punilla Department
      • Sierra de Córdoba
Demartis, M., Melgarejo, J. C., Colombo, F., Alfonso, P., Coniglio, J. E., Pinotti, L. P., & D’Eramo, F. J. (2014). Extreme F activities in late pegmatitic events as a key factor for LILE and HFSE enrichment: The Ángel pegmatite, central Argentina. The Canadian Mineralogist, 52(2), 247-269.
  • Western Australia
    • Yilgarn shire
      • Mount Holland pegmatite field
Nickel, E. H., Robinson, B. W., (1985) Kimrobinsonite, a new tantalum mineral from Western Australia, and its association with cesstibtantite. The Canadian Mineralogist: 23: 573-576; Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
Grice, Joel D. (1989) Bernic Lake, Manitoba: Mining for Space-age Elements. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 64-67; 153-155.; Ercit, T.S., Černý, P., Hawthorne, F.C. (1993) Cesstibtantite: a geologic introduction to the inverse pyrochlores. Mineralogy and Petrology, 48, 235-255.
    • Red Cross Lake
Černý, O., Teertstra, D.K., Chapman, R., Selway, J.B., Hawthorne, F.C., Ferreira, K., Chackowsky, L.E., Wang, X.J. & and Meintzer, R.E. (2012) Extreme fractionation and deformation of the leucogranite-pegmatite suite at Red Cross Lake, Manitoba, Canada. IV. Mineralogy. Canadian Mineralogist: 50: 1839-1875
Czech Republic
  • Vysočina Region
    • Žďár nad Sázavou District
Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
  • Amoron'i Mania
    • Ambositra
      • Sahatsiho Ambohimanjaka
        • Manandona Valley
C. Stefano photo & Specimen -obtained from Al Falster
Russia (TL)
  • Murmansk Oblast
    • Voron'i Tundry
Voloshin, A.V., Menshikov, Yu.P., Pakhomovsky, Ya.A., Polezhaeva, L.I. (1981): Cesstibtantite, (Cs,Na)SbTa4O12 – a new mineral from granite pegmatites. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 110, 345-351.; Ercit, T.S., Černý, P., Hawthorne, F.C. (1993) Cesstibtantite: a geologic introduction to the inverse pyrochlores. Mineralogy and Petrology: 48: 235-255.; Atencio D, Andrade M B, Christy A G, Gieré R, Kartashov P M (2010) The pyrochlore supergroup of minerals: nomenclature, The Canadian Mineralogist, 48, 673-698
  • Stockholm County
    • Haninge
      • Utö
        • Utö Mines
Smeds, S.-A. & Černý, P. & Chapman, R. (1999): Niobian calciotantite and plumboanstannoan cesstibtantite from Utö, Sweden. Canadian Mineralogist 37, 665–672; Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
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