Natron Mineral Data + 
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- 15.1.2.1 Natron Na2CO3·10(H2O) Cc m
- V/D.02-10 Thermonatrite Na2CO3·(H2O) P ca21 mm2
- V/D.02-20 Natron Na2CO3·10(H2O) Cc m
- V/D.02-30 Trona Na3(CO3)(HCO3)·2(H2O) I2/a 2/m
- V/D.02-40 Baylissite K2Mg(CO3)2·4(H2O) P 21/a 2/m
- V/D.02-50 Pirssonite Na2Ca(CO3)2·2(H2O) F dd2 mm2
- V/D.02-60 Gaylussite Na2Ca(CO3)2·5(H2O) I2/a 2/m
- V/D.02-70 Chalconatronite Na2Cu(CO3)2·3(H2O) P 21/n 2/m
General Natron Information |
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 Chemical Formula: |
Na2CO3·10(H2O) | ||
| Composition: |
Molecular Weight = 286.14 gm | ||
| Sodium 16.07 % Na 21.66 % Na2O | |||
| Hydrogen 7.05 % H 62.96 % H2O | |||
| Carbon 4.20 % C 15.38 % CO2 | |||
| Oxygen 72.69 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Na2(CO3)·10(H2O) | ||
| Environment: |
Saline lake beds in arid environments. | ||
| IMA Status: |
Valid Species (Pre-IMA) Prehistoric | ||
| Locality: |
Ragtown, Nevada, USA. Link to MinDat.org Location Data. | ||
| Name Origin: |
From the Latin for "soda." | ||
| Synonym: |
ICSD 16033 | ||
| PDF 15-800 | |||
| Soda | |||
Natron Image | |||
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Images:
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Natron Crystallography |
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| Axial Ratios: |
a:b:c =1.4214:1:1.489 | ||
| Cell Dimensions: |
a = 12.83, b = 9.026, c = 13.44, Z = 4; beta = 123° V = 1,305.31 Den(Calc)= 1.46 | ||
| Crystal System: |
Monoclinic - DomaticH-M Symbol (m) Space Group: Cc | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.036(1), 3.015(0.7), 2.894(0.6),5.37(0.5), | ||
Physical Properties of Natron |
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| Cleavage: |
[001] Distinct, [010] Imperfect | ||
| Color: |
White, Gray, Colorless, Yellow. | ||
| Density: |
1.42 - 1.47, Average = 1.44 | ||
| Diaphaniety: |
Transparent to Translucent | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Habit: |
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation. | ||
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. | ||
| Hardness: |
1 - Talc | ||
| Luminescence: |
Phosphorescent. | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Natron |
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| Gladstone-Dale: |
CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.008 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.29,KPDmeas= 0.293,KC= 0.2877 |
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| Optical Data: |
Biaxial (-), a=1.405, b=1.425, g=1.44, bire=0.0350, 2V(Calc)=80, 2V(Meas)=71. Dispersion r > v. | ||
| Pleochroism (x): |
colorless. | ||
| Pleochroism (y): |
colorless. | ||
| Pleochroism (z): |
colorless. | ||
Calculated Properties of Natron |
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| Electron Density: |
relectron=1.55 gm/cc |
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| Fermion Index |
Fermion Index = 0.00082 Boson Index = 0.99918 |
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| Photoelectric: |
PENatron = 0.51 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Natron is Not Radioactive |
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Natron Classification |
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| Dana Class: |
15.1.2.1 (15)Hydrated Carbonates | ||
| (15.1)where A+ (XO3) · x(H2O) | |||
| (15.1.2)Dana Group | |||
| Strunz Class: |
V/D.02-20 V - Nitrates, Carbonates and Borates | ||
| V/D - Water-bearing carbonates without unfamiliar anions | |||
| V/D.02 - Thermonatrite - Chalconatronite series | |||
Other Natron Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Natron : 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 Natron using: Visit our Advertisers for Natron : AA Mineral SpecimensB & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Natron Mineral Data : Ask about Natron here : Print or Cut-and-Paste your Natron Specimen Label here :
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