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Calciotantite

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Formula:
CaTa4O11
Hardness:
Crystal System:
Hexagonal
Name:
The name alludes to the CALCIum content and its chemical relationship to TANTITE.
See also the discredited ungursaite.


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Classification of CalciotantiteHide

Approved
4.DJ.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
J : With large (+- medium-sized) cations; polyhedral frameworks
8.6.2.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
6 : (AB)6O11·nH2O
18.1.9

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U

Physical Properties of CalciotantiteHide

Hardness:
6½ on Mohs scale

Optical Data of CalciotantiteHide

Type:
Uniaxial

Chemical Properties of CalciotantiteHide

Formula:
CaTa4O11

Crystallography of CalciotantiteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 6.22 Å, c = 12.25 Å
Ratio:
a:c = 1 : 1.969
Unit Cell V:
410.44 ų (Calculated from Unit Cell)

Type Occurrence of CalciotantiteHide

Synonyms of CalciotantiteHide

Other Language Names for CalciotantiteHide

Relationship of Calciotantite to other SpeciesHide

Other Members of this group:
IrtyshiteNa2(Ta,Nb)4O11Hex.
NatrotantiteNa2Ta4O11Mon.

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Calciotantite associated with on mindat.org.
1 photo of Calciotantite associated with on mindat.org.
1 photo of Calciotantite associated with on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DJ.05IrtyshiteNa2(Ta,Nb)4O11Hex.
4.DJ.05NatrotantiteNa2Ta4O11Mon.

Related Minerals - Dana Grouping (8th Ed.)Hide

8.6.2.2NatrotantiteNa2Ta4O11Mon.
8.6.2.3IrtyshiteNa2(Ta,Nb)4O11Hex.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.1.1LithiotantiteLiTa3O8Mon.
18.1.2LueshiteNaNbO3Orth. mmm (2/m 2/m 2/m)
18.1.3NatroniobiteNaNbO3Mon.
18.1.4FranconiteNa(Nb2O5)(OH) · 3H2OMon.
18.1.5NatrotantiteNa2Ta4O11Mon.
18.1.6IrtyshiteNa2(Ta,Nb)4O11Hex.
18.1.7Rankamaite(Na,K)3(Ta,Nb,Al)11(O,OH)31Orth. mmm (2/m 2/m 2/m) : Cmmm
18.1.8Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.10RynersoniteCaTa2O6Orth. mmm (2/m 2/m 2/m)
18.1.11Microlite GroupIso. m3m (4/m 3 2/m) : Fd3m
18.1.12BelyankiniteCa1-2(Ti,Nb)5O12 · 9H2O (?)Amor.
18.1.13LatrappiteCa2NbFe3+O6Orth. mmm (2/m 2/m 2/m) : Pnma
18.1.14Hochelagaite(Ca,Na,Sr)(Nb,Ti,Si,Al)4O11 · 8H2OMon.
18.1.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.16ParabariomicroliteBaTa4O10(OH)2 · 2H2OTrig.
18.1.17Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6ZIso. m3m (4/m 3 2/m) : Fd3m
18.1.18AlumotantiteAlTaO4Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.19SimpsoniteAl4(Ta,Nb)3O13(OH,F)Trig. 3 : P3
18.1.20Sosedkoite(K,Na)5Al2(Ta,Nb)22O60Orth.
18.1.21Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6Mon.
18.1.22Stannomicrolite (of Hogarth 1977)
18.1.23FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
18.1.24ChangbaiitePbNb2O6Trig.
18.1.25Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
18.1.26Plumbomicrolite (of Hogarth 1977)
18.1.27StibiocolumbiteSb(Nb,Ta)O4Orth. mm2
18.1.28StibiotantaliteSb(Ta,Nb)O4Orth. mm2
18.1.29Natrobistantite
18.1.30Cesplumtantite(Cs,Na)2(Pb,Sb3+)3Ta8O24Tet.
18.1.31Stibiomicrolite (of Groat et al.)
18.1.32Cesstibtantite
18.1.34BismutotantaliteBi(Ta,Nb)O4Orth.
18.1.35Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
18.1.36Tantalite-(Mn)MnTa2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.37Gerasimovskite(Mn,Ca)(Nb,Ti)5O12 · 9H2O
18.1.38Tapiolite-(Mn)(Mn,Fe)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
18.1.39Columbite-(Mn)(Mn,Fe)(Nb,Ta)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.40WodginiteMn2+Sn4+Ta2O8Mon.
18.1.41Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8Orth.
18.1.42Columbite-(Fe)FeNb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.43Tantalite-(Fe)FeTa2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.44ColumbiteOrth. mmm (2/m 2/m 2/m) : Pbcn
18.1.45Tantalite(Mn,Fe)(Ta,Nb)2O6
18.1.46Tapiolite(Fe,Mn)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m)
18.1.47Tapiolite-(Fe)(Fe,Mn)(Ta,Nb)2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
18.1.48Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
18.1.50Strüverite(Ti,Ta,Fe)O2
18.1.51 Staringite(Fe,Mn)x(Ta,Nb)2xSn6-3xO12

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 CalciotantiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 68: 471.

Internet Links for CalciotantiteHide

Localities for CalciotantiteHide

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

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Australia
 
  • Western Australia
    • Port Hedland Shire
      • Abydos Station
        • Wodgina
Sweetapple, M.T., Cornellius, H., Collins, P.L.F. (2001) Tantalum Mineralisation of the Wodgina District: The Wodgina and Mt Cassiterite Pegmatite Orebodies, pp 48-57, Sept 2001.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
Voloshin A.V., Pakhomovskii Ya.A. (1988) Mineralogy of tantalum and niobium in rare-metal pegmatites, - Leningrad, Nauka, p. 240 (in Rus.)
Kazakhstan
 
  • Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast')
    • Kalba Range
      • Irtysh River
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Russia (TL)
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Voron'i Tundry
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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.
Cooper, M.A.; Hawthorne, F.C and Cerný, P. (1999): Ta-Nb order in the crystal structure of niobium rich calciotantite. Canadian Mineralogist 37:1289-1294
Mineral and/or Locality  
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