General Natron InformationNa2CO3•10(H2O) |
Molecular Weight = 286.14 gm |
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Sodium 16.07 % Na 21.66 % Na2O |
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Hydrogen 7.05 % H 62.96 % H2O |
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Carbon 4.20 % C 15.38 % CO2 |
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Oxygen 72.69 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Na2(CO3)•10(H2O) |
Saline lake beds in arid environments. |
Valid Species (Pre-IMA) Prehistoric |
Ragtown, Nevada, USA. Link to MinDat.org Location Data. |
From the Latin for "soda." |
Natron |
ICSD 16033 |
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PDF 15-800 |
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Soda |
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Natron Crystallographya:b:c =1.4214:1:1.489 |
a = 12.83, b = 9.026, c = 13.44, Z = 4; beta = 123° V = 1,305.31 Den(Calc)= 1.46 |
Monoclinic - DomaticH-M Symbol (m) Space Group: Cc |
By Intensity(I/Io): 3.036(1), 3.015(0.7), 2.894(0.6),5.37(0.5), |
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Mouse
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| Physical Properties of Natron{001} Distinct, {010} Imperfect |
White, Gray, Colorless, Yellow. |
1.42 - 1.47, Average = 1.44 |
Transparent to Translucent |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation. |
Encrustations - Forms crust-like aggregates on matrix. |
1 - Talc |
Phosphorescent. |
Vitreous (Glassy) |
white |
| Optical Properties of NatronCI 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 Ncalc = 1.41 - 1.42 Biaxial (-), a=1.405, b=1.425, g=1.44, bire=0.0350, 2V(Calc)=80, 2V(Meas)=71. Dispersion r > v. |
colorless. |
colorless. |
colorless. |
| Calculated Properties of NatronBulk Density (Electron Density)=1.55 gm/cc |
note: Specific Gravity of Natron =1.46 gm/cc. Fermion Index = 0.0008212058 |
Boson Index = 0.9991787942 PENatron = 0.51 barns/electron |
U=PENatron x rElectron Density= 0.80 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Natron is Not Radioactive | Natron Classification15.01.02.01 (15)Hydrated Carbonates |
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(15.01)where A+ (XO3) · x(H2O) |
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(15.01.02)Dana Group |
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05.CB.10 05 - CARBONATES (NITRATES) |
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05.C - Carbonates without Additional Anions, with H2O |
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05.CB -With large cations (alkali and alkali-earth carbonates) |
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| Other Natron InformationNAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) |
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 - 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 Natron using: Visit our Advertisers for Natron : B and L Fine MineralsDakota Matrix Minerals Dan & Diana Weinrich Mineral Auctions Excalibur Mineral Corp. Exceptional Minerals John Betts Fine Minerals Mineral News Mineral of the Month Club NY/NJ Gem & Mineral Show TIMA Mineral Analyzer Weinrich Minerals, Inc. Wright's Rock Shop Ask about Natron here : Print or Cut-and-Paste your Natron Specimen Label here :
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