Natroniobite Mineral Data + 
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- 4.3.4.1 Natroniobite NaNbO3 Mono
- IV/C.10-10 Uhligite Ca3(Ti,Al,Zr)9O20 Unk Cubic
- IV/C.10-20 Perovskite CaTiO3 P nma 2/m 2/m 2/m
- IV/C.10-30 Latrappite (Ca,Na)(Nb,Ti,Fe)O3 Pcmn 2/m 2/m 2/m
- IV/C.10-40 Tausonite SrTiO3 P m3m 4/m 3 2/m
- IV/C.10-50 Loparite-(Ce) (Ce,Na,Ca)2(Ti,Nb)2O6 P m3m 4/m 3 2/m
- IV/C.10-55 Isolueshite! (Na,La,Ca)(Nb,Ti)O3 P m3m 4/m 3 2/m
- IV/C.10-60 Lueshite NaNbO3 P 2221 2 2 2
- IV/C.10-70 Natroniobite NaNbO3 Mono
- IV/C.10-80 Macedonite PbTiO3 P 4/mmm 4/m 2/m 2/m
General Natroniobite Information |
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 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. | ||
| Synonym: |
ICSD 28565 | ||
| PDF 26-1380 | |||
Natroniobite Image | |||
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Images:
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Natroniobite Crystallography |
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| Crystal System: |
Monoclinic | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.97(1), 3.06(0.9), 1.6(0.8), | ||
Physical Properties of Natroniobite |
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| 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 |
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| Gladstone-Dale: |
CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC) KPDmeas= 0.2682,KC= 0.2533 |
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| 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 |
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| Electron Density: |
relectron=4.08 gm/cc |
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| Fermion Index |
Fermion Index = 0.00014 Boson Index = 0.99986 |
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| Photoelectric: |
PENatroniobite = 86.63 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Natroniobite is Not Radioactive |
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Natroniobite Classification |
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| Dana Class: |
4.3.4.1 (4)Simple Oxides | ||
| (4.3)with a cation charge of 3+ (A+++2 O3) | |||
| (4.3.4)Dana Group | |||
| Strunz Class: |
IV/C.10-70 IV - Oxides | ||
| IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) | |||
| IV/C.10 - Perowskite series | |||
Other Natroniobite Information |
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| 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Natroniobite using: Visit our Advertisers for Natroniobite : Translate Natroniobite Mineral Data : Ask about Natroniobite here : Print or Cut-and-Paste your Natroniobite Specimen Label here :
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