Natrite Mineral Data + 
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- 14.1.6.1 Natrite Na2CO3 C 2 or Cm Mono
- 14.1.6.2 Zabuyelite Li2CO3 C 2/c 2/m
- V/B.01-10 Zabuyelite Li2CO3 C 2/c 2/m
- V/B.01-20 Nahcolite NaHCO3 P 21/n 2/m
- V/B.01-30 Kalicinite KHCO3 P 21/a 2/m
- V/B.01-40 Teschemacherite (NH4)HCO3 Pccn 2/m 2/m 2/m
- V/B.01-50 Natrite Na2CO3 C 2 or Cm Mono
- V/B.01-60 Wegscheiderite Na5(CO3)(HCO3)3 P1 1
General Natrite Information |
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 Chemical Formula: |
Na2CO3 | ||
| 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 | |||
| 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. | ||
| Synonym: |
ICSD 60311 | ||
| PDF 37-451 | |||
Natrite Image | |||
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Images:
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Natrite Crystallography |
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| 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), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Natrite |
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| 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 |
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| 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 |
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| 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 |
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| Electron Density: |
relectron=2.49 gm/cc |
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| Fermion Index |
Fermion Index = 0.00146 Boson Index = 0.99854 |
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| Photoelectric: |
PENatrite = 0.82 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Natrite is Not Radioactive |
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Natrite Classification |
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| Dana Class: |
14.1.6.1 (14)Anhydrous Carbonates | ||
| (14.1)with Simple Formula A+ CO3 | |||
| (14.1.6)Dana Group | |||
| Strunz Class: |
V/B.01-50 V - Nitrates, Carbonates and Borates | ||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.01 - Zabuyelite - Wegscheiderite series | |||
Other Natrite 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 Natrite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 -Athena 5 - EUROmin Project 6 -Google Images 7 -Google Scholar 8 -Handbook of Mineralogy (UofA) 9 -MinDAT 10 -MinMax(Deutsch) 11 -MinMax(English) 12 -Mineralienatlas (Deutsch) 13 -QUT Mineral Atlas 14 -École des Mines de Paris Search for Natrite using: Visit our Advertisers for Natrite : Translate Natrite Mineral Data : Ask about Natrite here : Print or Cut-and-Paste your Natrite Specimen Label here :
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