General Natrite Information Chemical Formula: |
Na2CO3 |
Composition: |
Molecular Weight = 105.99 gm |
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Sodium 43.38 % Na 58.48 % Na2O |
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Carbon 11.33 % C 41.52 % CO2 |
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Oxygen 45.29 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2(CO3) |
Environment: |
Na analog of zabuyelite. |
IMA Status: |
Approved IMA 1983 |
Locality: |
Mt. Karnasurt, Lovozero massif, Kola Peninnsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the composition. |
Name Pronunciation: |
Natrite |
Synonym: |
ICSD 60311 |
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PDF 37-451 |
| | Natrite Image
Images:
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Natrite Crystallography Axial Ratios: |
a:b:c =1.7002:1:1.154 |
Cell Dimensions: |
a = 8.906, b = 5.238, c = 6.045, Z = 4; beta = 101° V = 276.82 Den(Calc)= 2.54 |
Crystal System: |
MonoclinicSpace Group: C 2 or Cm |
X Ray Diffraction: |
By Intensity(I/Io): 2.962(1), 2.366(0.7), 2.545(0.6), |
Crystal Structure:
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Mouse
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| Physical Properties of Natrite Cleavage: |
{001} Perfect, {100} Good, {110} Good |
Color: |
Colorless, Yellow orange, White, Pink. |
Density: |
2.54 |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Habit: |
Pseudo Hexagonal - Crystals show a hexagonal outline. |
Hardness: |
3.5 - Copper Penny |
Luster: |
Vitreous - Dull |
Streak: |
white |
| Optical Properties of Natrite Gladstone-Dale: |
CI meas= 0.017 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.017 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1953,KPDmeas= 0.1953,KC= 0.1987 Ncalc = 1.5 Optical Data: |
Biaxial (-), a=1.41, b=1.535, g=1.543, bire=0.1330, 2V(Calc)=26, 2V(Meas)=28. |
| Calculated Properties of Natrite Electron Density: |
Bulk Density (Electron Density)=2.49 gm/cc |
note: Specific Gravity of Natrite =2.54 gm/cc. Fermion Index: |
Fermion Index = 0.0014639304 |
Boson Index = 0.9985360696 Photoelectric: |
PENatrite = 0.82 barns/electron |
U=PENatrite x rElectron Density= 2.04 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Natrite is Not Radioactive | Natrite Classification Dana Class: |
14.01.06.01 (14)Anhydrous Carbonates |
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(14.01)with Simple Formula A+ CO3 |
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(14.01.06)Natrite Group |
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Strunz Class: |
05.AA.10 05 - CARBONATES (NITRATES) |
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05.A - Carbonates without additional anions, without H2O |
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05.AA -Alkali Carbonates |
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| Other Natrite 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 Natrite : |
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 - Am. Min. Crystal Structure Database 4 - Athena 5 - EUROmin Project 6 - Ecole des Mines de Paris 7 - GeoScienceWorld 8 - Google Images 9 - Google Scholar 10 - Handbook of Mineralogy (MinSocAm) 11 - Handbook of Mineralogy (UofA) 12 - MinDAT 13 - Mineralienatlas (Deutsch) 14 - Online Mineral Museum 15 - QUT Mineral Atlas 16 - Ruff.Info Search for Natrite using: Visit our Advertisers for Natrite : A Bijoux Google Search for NatriteAdam's Minerals Google Search for Natrite Cape Minerals Google Search for Natrite Dakota Matrix Minerals Google Search for Natrite Excalibur Mineral Corp. Google Search for Natrite Exceptional Minerals Google Search for Natrite John Betts Fine Minerals Search for Natrite McDougall Minerals Google Search for Natrite Mineral News Website Link Rock and Mineral Shows Google Search for Natrite Weinrich Minerals, Inc. Google Search for Natrite Ask about Natrite here : Print or Cut-and-Paste your Natrite Specimen Label here :
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