Natron Mineral Data

Natron Mineral Data
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General Natron Information

Help on Chemical Formula: Chemical Formula: Na2CO3•10(H2O)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Na2(CO3)•10(H2O)
Help on Environment: Environment: Saline lake beds in arid environments.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) Prehistoric
Help on Locality: Locality: Ragtown, Nevada, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Latin for "soda."
Help on Name Pronunciation: Name Pronunciation: Natron Say NATRON
Help on Synonym: Synonym: ICSD 16033
  PDF 15-800
  Soda
 

Natron Image

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Natron

Comments: Opaque white powdery massive natron.
Location: Atlin, British Columbia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natron Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.4214:1:1.489
Help on Cell Dimensions: Cell Dimensions: a = 12.83, b = 9.026, c = 13.44, Z = 4; beta = 123° V = 1,305.31 Den(Calc)= 1.46
Help on Crystal System: Crystal System: Monoclinic - DomaticH-M Symbol (m) Space Group: Cc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.036(1), 3.015(0.7), 2.894(0.6),5.37(0.5),
Click Here for Large Natron Structure Window Crystal Structure:

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Taga T , Acta Crystallographica, Section B , 25 (1969) p.2656-2657, Crystal structure of Na2CO3*10H2O, Locality: synthetic

 

Physical Properties of Natron

Help on Cleavage: Cleavage: {001} Distinct, {010} Imperfect
Help on Color: Color: White, Gray, Colorless, Yellow.
Help on Density: Density: 1.42 - 1.47, Average = 1.44
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 1 - Talc
Help on Luminescence: Luminescence: Phosphorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Natron

Help on Gladstone-Dale: 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
Ncalc = 1.41 - 1.42
Help on Optical Data: Optical Data: Biaxial (-), a=1.405, b=1.425, g=1.44, bire=0.0350, 2V(Calc)=80, 2V(Meas)=71. Dispersion r > v.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Natron

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.55 gm/cc
note: Specific Gravity of Natron =1.46 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0008212058
Boson Index = 0.9991787942
Help on Photoelectric: Photoelectric: PENatron = 0.51 barns/electron
U=PENatron x rElectron Density= 0.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Natron is Not Radioactive
 

Natron Classification
Help on Dana Class: Dana Class: 15.01.02.01 (15)Hydrated Carbonates
  (15.01)where A+ (XO3) · x(H2O)
  (15.01.02)Dana Group
 
15.01.02.01 Natron Na2CO3•10(H2O) Cc m
Help on Strunz Class: Strunz Class: 05.CB.10 05 - CARBONATES (NITRATES)
  05.C - Carbonates without Additional Anions, with H2O
  05.CB -With large cations (alkali and alkali-earth carbonates)
 
05.CB.10 Natron Na2CO3•10(H2O) Cc m
 

Other Natron Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: 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 - 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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Natron

Na2CO3•10(H2O)
Dana No: 15.01.02.01 Strunz No: 05.CB.10
Locality:

 

Notes: