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Hydroxykenomicrolite

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Formula:
(◻,Na,Sb3+)2Ta2O6(OH)
Colour:
Grayish, colorless
Lustre:
Adamantine
Crystal System:
Isometric
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.


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Classification of HydroxykenomicroliteHide

Approved
Notes:
Redefined by the IMA, Renamed by the IMA
Approval Year:
2010
First Published:
1981
Approval History:
1982: Approved by IMA as cesstibtantite (IMA 1982-021)
2010: Redefined and renamed as hydroxykenomicrolite (Atencio et al. 2010)

Physical Properties of HydroxykenomicroliteHide

Adamantine
Colour:
Grayish, colorless
Tenacity:
Brittle
Fracture:
Irregular/Uneven

Chemical Properties of HydroxykenomicroliteHide

Formula:
(◻,Na,Sb3+)2Ta2O6(OH)

Crystallography of HydroxykenomicroliteHide

Crystal System:
Isometric

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

Other Language Names for 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)
Hydromicrolite(H2O,◻)2Ta2(O,OH)6(H2O)
HydroxycalciomicroliteCa1.5Ta2O6(OH)Iso. 4 3 2 : P42 3 2
Kenoplumbomicrolite(Pb,◻)2Ta2O6(◻,OH,O)Iso.
OxycalciomicroliteCa2Ta2O6O
OxystannomicroliteSn2Ta2O6O
Oxystibiomicrolite(Sb3+,Ca)2Ta2O6O
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:
Simpsonite1 photo of Hydroxykenomicrolite associated with Simpsonite on mindat.org.
Tantalite-(Mn)1 photo of Hydroxykenomicrolite associated with Tantalite-(Mn) on mindat.org.
Cookeite1 photo of Hydroxykenomicrolite associated with Cookeite on mindat.org.

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.
Argentina
 
  • Córdoba
    • 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.
Australia
 
  • 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.
Canada
 
  • Manitoba
    • Lac-du-Bonnet area
      • Bernic Lake
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
 
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou District
        • Křižanov
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.
Madagascar
 
  • Antananarivo Province
    • Vakinankaratra Region
      • Sahatany Pegmatite Field (Mt Ibity area)
        • Manandona Valley
C. Stefano photo & Specimen -obtained from Al Falster
Russia (TL)
 
  • Northern Region
    • Murmanskaya 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
Sweden
 
  • Södermanland
    • 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.
Mineral and/or Locality  
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