[Current Minerals] [Order Status] [Policies] [e-Bay Items] B & L Minerals, Fine Mineral specimens for sale for collectors of all levels General Natroniobite InformationNaNbO3 |
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 |
NaNbO3 |
Dolomitic carbonatites. |
Approved IMA 1960 |
Lesnaya Baraka and Sallanlatvi massifs, Kola Peninsula, Russa. Link to MinDat.org Location Data. |
Named for the composition. |
Natroniobite + Pronunciation |
ICSD 28565 |
|
PDF 26-1380 |
| | Natroniobite Image
|
|
Natroniobite Crystallography Monoclinic |
By Intensity(I/Io): 2.97(1), 3.06(0.9), 1.6(0.8), |
| Physical Properties of NatroniobiteYellow, Brownish, Blackish. |
4.4 |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
5.5-6 - Knife Blade-Orthoclase |
gray |
| Optical Properties of NatroniobiteCI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC) |
KPDmeas= 0.2682,KC= 0.2533 Ncalc = 2.11 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 NatroniobiteBulk Density (Electron Density)=4.08 gm/cc |
note: Specific Gravity of Natroniobite =4.40 gm/cc. Fermion Index = 0.0001405731 |
Boson Index = 0.9998594269 PENatroniobite = 86.63 barns/electron |
U=PENatroniobite x rElectron Density= 353.50 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Natroniobite is Not Radioactive | Natroniobite Classification04.03.04.01 (04)Simple Oxides |
|
(04.03)with a cation charge of 3+ (A+++2 O3) |
|
(04.03.04)Dana Group |
|
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 |
|
|
|
|
|
|
| Other Natroniobite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Natroniobite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Natroniobite using: Visit our Advertisers for Natroniobite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Natroniobite Mineral Data : Ask about Natroniobite here : Print or Cut-and-Paste your Natroniobite Specimen Label here :
| |
|
| | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||