Mineralogy Database

Natroniobite Mineral Data

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General Natroniobite Information

Help on Chemical  Formula: Chemical Formula: NaNbO3
Help on Composition: Composition: Molecular Weight = 163.89 gm
   Sodium   14.03 %  Na   18.91 % Na2O
   Niobium  56.69 %  Nb   81.09 % Nb2O5
   Oxygen   29.29 %  O
           ______        ______ 
           100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaNbO3
Help on Environment: Environment: Dolomitic carbonatites.
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: Lesnaya Baraka and Sallanlatvi massifs, Kola Peninsula, Russa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition.
Help on Name Pronunciation: Name Pronunciation: Natroniobite + Pronunciation Say NATRONIOBITE
Help on Synonym: Synonym: ICSD 28565
  PDF 26-1380

Natroniobite Image

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Comments: Olive-green colored translucent crystalline natroniobite fragments.
Location: Lesnaya Varaka Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natroniobite Crystallography

Help on Crystal System: Crystal System: Monoclinic
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.97(1), 3.06(0.9), 1.6(0.8),

Physical Properties of Natroniobite

Help on Color: Color: Yellow, Brownish, Blackish.
Help on Density: Density: 4.4
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Streak: Streak: gray

Optical Properties of Natroniobite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2682,KC= 0.2533
Ncalc = 2.11
Help on Optical Data: Optical Data: Biaxial (+), a=2.1-2.13, b=2.19-2.21, g=2.21-2.24, bire=0.1100, 2V(Calc)=48-60, 2V(Meas)=10-30. Dispersion r < v.

Calculated Properties of Natroniobite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.08 gm/cc
note: Specific Gravity of Natroniobite =4.40 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001405731
Boson Index = 0.9998594269
Help on Photoelectric: Photoelectric: PENatroniobite = 86.63 barns/electron
U=PENatroniobite x rElectron Density= 353.50 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natroniobite is Not Radioactive

Natroniobite Classification

Help on  Dana Class: Dana Class: (04)Simple Oxides
  (04.03)with a cation charge of 3+ (A+++2 O3)
  (04.03.04)Dana Group Natroniobite NaNbO3 Mono
Help on  Strunz Class: Strunz Class: 04.CC.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.C - Metal:Oxygen = 2:3, 3:5, and Similar
  04.CC -With large and medium-sized cations
04.CC.30 Natroniobite NaNbO3 Mono
04.CC.30 Latrappite (Ca,Na)(Nb,Ti,Fe)O3 Pcmn 2/m 2/m 2/m
04.CC.30 Lueshite NaNbO3 P 2221 2 2 2
04.CC.30 Perovskite CaTiO3 P nma 2/m 2/m 2/m
04.CC.30 Barioperovskite! BaTiO3 Amm2 mm2
04.CC.30 Lakargiite! CaZrO3 P nma 2/m 2/m 2/m

Other Natroniobite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Natroniobite :
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.CC.30





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