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Natrobistantite Mineral Data

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General Natrobistantite Information

Help on Chemical  Formula: Chemical Formula: (Na,Cs)Bi(Ta,Nb,Sb)4O12
Help on Composition: Composition: Molecular Weight = 1,101.75 gm
   Cesium     3.62 %  Cs    3.84 % Cs2O
   Sodium     1.46 %  Na    1.97 % Na2O
   Tantalum  45.99 %  Ta   56.15 % Ta2O5
   Niobium    8.43 %  Nb   12.06 % Nb2O5
   Bismuth   20.86 %  Bi   23.26 % Bi2O3
   Antimony   2.21 %  Sb    2.65 % Sb2O3
   Oxygen    17.43 %  O
            ______        ______ 
            100.00 %       99.93 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.7Cs0.3Bi1.1Ta2.8NbSb0.2O12
Help on Environment: Environment: Replacing bismutotantalite in museum samples from a granitic pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Koktoky [Fuyan], Sinkiang-Uighur Autonomous Province, China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For sodium (NATRium), BISmuth, and TANTalum in the chemical formula which deviates from the IMA pyrochlore nomenclature.
Help on Name Pronunciation: Name Pronunciation: Natrobistantite + Pronunciation Say NATROBISTANTITE
 

Natrobistantite Image

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  Natrobistantite

Comments: Bluish-green fragments of natrobistantite embedded in epoxy, co-type material.
Location: Kyoktogai pegmatite field, Altai, Xinjinag Province, China. Scale: See Image.
© Rruff Database

Natrobistantite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.502, Z = 4; V = 1,158.29 Den(Calc)= 6.32
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): 3.03(1), 1.858(0.9), 2.628(0.8),
 

Physical Properties of Natrobistantite

Help on Cleavage: Cleavage: None
Help on Color: Color: Blue green, Colorless, Green, Yellow green.
Help on Density: Density: 6.1 - 6.2, Average = 6.15
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Octahedral Crystals - Occurs as octahedral shaped crystals.
Help on Luminescence: Luminescence: Fluorescent, Short UV=strong red orange.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Natrobistantite

Help on Optical Data: Optical Data: Isotropic.
  NCalc= 2.05 - from Gladstone-Dale relationship (KC = 0.1664) where Ncalc=Dcalc*KC+1
NCalc= 2.02 - from Gladstone-Dale relationship (KC = 0.1664) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Natrobistantite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.36 gm/cc
note: Specific Gravity of Natrobistantite =6.32 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001390383
Boson Index = 0.9998609617
Help on Photoelectric: Photoelectric: PENatrobistantite = 992.51 barns/electron
U=PENatrobistantite x rElectron Density=5,318.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natrobistantite is Not Radioactive
 

Natrobistantite Classification

Help on  Dana Class: Dana Class: 08.02.04.02 (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
 
08.02.04.01 Cesstibtantite (Cs,Na)SbTa4O12 F d3m 4/m 3 2/m
 
08.02.04.02 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 Natrobistantite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Natrobistantite :
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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Print or Cut-and-Paste your Natrobistantite Specimen Label here :

Natrobistantite

(Na,Cs)Bi(Ta,Nb,Sb)4O12
Dana No: 08.02.04.02 Strunz No: 04.DH.15
Locality:

 

Notes:

 

 
   
 


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