Natrite Mineral Data

Natrite Mineral Data
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General Natrite Information

Help on Chemical Formula: Chemical Formula: Na2CO3
Help on Composition: Composition: Molecular Weight = 105.99 gm
   Sodium  43.38 %  Na   58.48 % Na2O
   Carbon  11.33 %  C    41.52 % CO2
   Oxygen  45.29 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2(CO3)
Help on Environment: Environment: Na analog of zabuyelite.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Mt. Karnasurt, Lovozero massif, Kola Peninnsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition.
Help on Name Pronunciation: Name Pronunciation: Natrite Say NATRITE
Help on Synonym: Synonym: ICSD 60311
  PDF 37-451
 

Natrite Image

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Natrite

Comments: White opaque massive natrite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.7002:1:1.154
Help on Cell Dimensions: Cell Dimensions: a = 8.906, b = 5.238, c = 6.045, Z = 4; beta = 101° V = 276.82 Den(Calc)= 2.54
Help on Crystal System: Crystal System: MonoclinicSpace Group: C 2 or Cm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.962(1), 2.366(0.7), 2.545(0.6),
Click Here for Large Natrite Structure Window Crystal Structure:

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Zubkova N V , Pushcharovsky D Y , Ivaldi G , Ferraris G , Pekov I V , Chukanov N V , Neues Jahrbuch fur Mineralogie, Monatshefte , 2002 (2002) p.85-96, Crystal structure of natrite, gamma-Na2CO3, Locality: Mt Koashva, Khibiny alkaline massif, Kola Peninsula, Russia

 

Physical Properties of Natrite

Help on Cleavage: Cleavage: {001} Perfect, {100} Good, {110} Good
Help on Color: Color: Colorless, Yellow orange, White, Pink.
Help on Density: Density: 2.54
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: white
 

Optical Properties of Natrite

Help on Gladstone-Dale: 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
Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.49 gm/cc
note: Specific Gravity of Natrite =2.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0014639304
Boson Index = 0.9985360696
Help on Photoelectric: Photoelectric: PENatrite = 0.82 barns/electron
U=PENatrite x rElectron Density= 2.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natrite is Not Radioactive
 

Natrite Classification
Help on Dana Class: Dana Class: 14.01.06.01 (14)Anhydrous Carbonates
  (14.01)with Simple Formula A+ CO3
  (14.01.06)Natrite Group
 
14.01.06.01 Natrite Na2CO3 C 2 or Cm Mono
 
14.01.06.02 Zabuyelite Li2CO3 C 2/c 2/m
Help on Strunz Class: Strunz Class: 05.AA.10 05 - CARBONATES (NITRATES)
  05.A - Carbonates without additional anions, without H2O
  05.AA -Alkali Carbonates
 
05.AA.10 Gregoryite (Na2,K2,Ca)CO3 P 63mc 6mm
 
05.AA.10 Natrite Na2CO3 C 2 or Cm Mono
 

Other Natrite 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 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 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - MinMax(Deutsch)
13 - MinMax(English)
14 - Mineralienatlas (Deutsch)
15 - QUT Mineral Atlas
16 - Ruff.Info

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Natrite

Na2CO3
Dana No: 14.01.06.01 Strunz No: 05.AA.10
Locality:

 

Notes: