Natroniobite Mineral Data

General Natroniobite Information

Chemical Formula:

NaNbO3

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

Empirical Formula:

NaNbO₃

Environment:

Dolomitic carbonatites.

IMA Status:

Approved IMA 1960

Locality:

Lesnaya Baraka and Sallanlatvi massifs, Kola Peninsula, Russa. Link to MinDat.org Location Data.

Name Origin:

Named for the composition.

Name Pronunciation:

Natroniobite + Pronunciation

Synonym:

ICSD 28565

PDF 26-1380

Natroniobite Image

Images:

Natroniobite

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

Crystal System:

Monoclinic

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.97(1), 3.06(0.9), 1.6(0.8),

Physical Properties of Natroniobite

Color:

Yellow, Brownish, Blackish.

Density:

4.4

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Hardness:

5.5-6 - Knife Blade-Orthoclase

Streak:

gray

Optical Properties of Natroniobite

Gladstone-Dale:

CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2682,KC= 0.2533
Ncalc = 2.11

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

Electron Density:

Bulk Density (Electron Density)=4.08 gm/cc
note: Specific Gravity of Natroniobite =4.40 gm/cc.

Fermion Index:

Fermion Index = 0.0001405731
Boson Index = 0.9998594269

Photoelectric:

PE_Natroniobite= 86.63 barns/electron
U=PE_Natroniobite x rElectron Density= 353.50 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natroniobite is Not Radioactive

Natroniobite Classification

Dana Class:

04.03.04.01 (04)Simple Oxides

(04.03)with a cation charge of 3+ (A+++2 O3)

(04.03.04)Dana Group

04.03.04.01 Natroniobite NaNbO3 Mono

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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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Print or Cut-and-Paste your Natroniobite Specimen Label here :

Natroniobite

NaNbO3
Dana No: 04.03.04.01 Strunz No: 04.CC.30
Locality:

Notes:

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