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Cesstibtantite Mineral Data

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General Cesstibtantite Information

Help on Chemical  Formula: Chemical Formula: (Cs,Na)SbTa4O12
Help on Composition: Composition: Molecular Weight = 579.81 gm
   Cesium     6.88 %  Cs    7.29 % Cs2O
   Sodium     1.19 %  Na    1.60 % Na2O
   Tantalum  59.30 %  Ta   72.40 % Ta2O5
   Niobium    1.60 %  Nb    2.29 % Nb2O5
   Antimony  12.60 %  Sb   15.08 % Sb2O3
   Hydrogen   0.12 %  H     1.09 % H2O
   Oxygen    17.66 %  O
   Fluorine   0.66 %  F     0.66 % F
               -   %   F    -0.28 % -O=F2    
            ______        ______ 
            100.00 %      100.14 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs0.3(OH)0.7Sb0.6Na0.3Ta1.9Nb0.1O5.7F0.2
Help on Environment: Environment: Highly fractionated granite pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Leshaia pegmatite, Vuoriyarvi carbonatite complex, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for CESium, antimony (STIBium), and TANTalum in the composition.
Help on Synonym: Synonym: ICSD 74283
  PDF 35-672

Cesstibtantite Image

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Comments: Flesh-coloured simpsonite (blue scheelite-like UV luminescention) crystal partially replaced with grey cesstibtantite (orange UV luminescention)..
Location: Vasin-Myl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Specimen size is 6x5x2 cm.
© Pavel M. Kartashov

Cesstibtantite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.256, Z = 7; V = 1,078.78 Den(Calc)= 6.25
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.587(1), 1.84(1), 3.04(1),

Physical Properties of Cesstibtantite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Gray, Yellow orange, Black.
Help on Density: Density: 6.4 - 6.6, Average = 6.5
Help on Diaphaneity: Diaphaneity: Transparent to Opaque
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 6.5 - Pyrite
Help on Luminescence: Luminescence: Fluorescent and cathodoluminescent, Long UV=yellow orange.
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: white

Optical Properties of Cesstibtantite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.239 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.209 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.128,KPDmeas= 0.1231,KC= 0.1618
Ncalc = 2.01 - 2.07
Help on Optical Data: Optical Data: Isotropic, n=1.8.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cesstibtantite in Air
λ R  ∑ R(λ) 
 480 nm   13.80   
 551 nm   13.60 
 589 nm   13.60 
 656 nm   13.00 
Calculated Relative Intensity Colors of Cesstibtantite in Air
   0%   70% 100% 140% 210% 280% 350% 420% 490% 560% 630% 660%

Calculated Properties of Cesstibtantite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.32 gm/cc
note: Specific Gravity of Cesstibtantite =6.25 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001561061
Boson Index = 0.9998438939
Help on Photoelectric: Photoelectric: PECesstibtantite = 793.94 barns/electron
U=PECesstibtantite x rElectron Density=4,226.01 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cesstibtantite is Not Radioactive

Cesstibtantite Classification

Help on  Dana Class: Dana Class: (08)Multiple Oxides with Nb, Ta, and Ti
  (08.02)where (A)2 (B2O6) (O,OH,F)
  (08.02.04)Pyrochlore Group (Cesstibtantite Subgroup; (Na,Cs)(Bi,Sb)(Ta,Nb)4O12 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m Natrobistantite (Na,Cs)Bi(Ta,Nb,Sb)4O12 F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 04.DH.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DH -With large (� medium-sized) cations; sheets of edge-sharing octahedra
04.DH.15 Alumotungstite (W,Al)(O,OH)3(?) Unk Cubic
04.DH.15 Betafite (Ca,U)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Ferritungstite (K,Ca,Na)(W,Fe)2(O,OH)6•(H2O) F d3m 4/m 3 2/m
04.DH.15 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m
04.DH.15 Bismutomicrolite (Bi,Ca)(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Ceriopyrochlore-(Ce) (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m
04.DH.15 Bariopyrochlore (Ba,Sr)(Nb,Ti)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Bariomicrolite Ba(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Calciobetafite Ca2(Ti,Nb)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Jixianite Pb(W,Fe)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Plumbomicrolite (Pb,Ca,U)2Ta2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Kalipyrochlore (H2O,Sr)(Nb,Ti)(O,OH)6•(H2O,K) F d3m 4/m 3 2/m
04.DH.15 Plumbopyrochlore (Pb,Y,U,Ca)2-xNb2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Strontiopyrochlore* Sr2Nb2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Uranmicrolite (U,Ca)2(Ta,Nb)2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Pyrochlore (Na,Ca)2Nb2O6(OH,F) F d3m 4/m 3 2/m
04.DH.15 Microlite (Na,Ca)2Ta2O6(O,OH,F) F d3m 4/m 3 2/m
04.DH.15 Natrobistantite (Na,Cs)Bi(Ta,Nb,Sb)4O12 F d3m 4/m 3 2/m
04.DH.15 Plumbobetafite (Pb,U,Ca)(Ti,Nb)2O6(OH,F) F d3m 4/m 3 2/m
04.DH.15 Stibiomicrolite (Sb,Ca,Na)2(Ta,Nb)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Stannomicrolite (Sn,Fe,Mn)(Ta,Nb,Sn)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Stibiobetafite (Sb,Ca)2(Ti,Nb,Ta)2(O,OH)7 F d3m 4/m 3 2/m
04.DH.15 Uranpyrochlore (U,Ca,Ce)2(Nb,Ta)2O6(OH,F) F d3m 4/m 3 2/m
04.DH.15 Bismutopyrochlore! (Bi,U,Ca,Pb)1x(Nb,Ta)2O6(OH)•n(H2O) F d3m 4/m 3 2/m
04.DH.15 Fluornatromicrolite! (Na,Ca,Bi)2Ta2O6F F d3m 4/m 3 2/m
04.DH.15 Yttrobetafite-(Y) (Y,U,Ce)2(Ti,Nb,Ta)2O6(OH) F d3m 4/m 3 2/m
04.DH.15 Yttropyrochlore-(Y) (Y,Na,Ca,U)1-2(Nb,Ta,Ti)2(O,OH)7 F d3m 2/m 3
04.DH.15 Elsmoreite! WO3•0.5(H2O) F d3m 4/m 3 2/m

Other Cesstibtantite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Cesstibtantite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 04.DH.15





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