Natroxalate Mineral Data
General Natroxalate Information
Chemical Formula:
Na2C2O4
Composition:
Molecular Weight = 134.00 gm
Sodium 34.31 % Na 46.25 % Na2 O
Carbon 17.93 % C 53.75 % C2 O3
Oxygen 47.76 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Na2 (C2 O4 )
IMA Status:
Approved IMA 1996 (Dana # Added)
Locality:
Link to MinDat.org Location Data.
Name Origin:
Named after its chemical composition of sodium (Na) and oxalate (C2O4).
Name Pronunciation:
Natroxalate + Pronunciation
Synonym:
IMA1994-053
Natroxalate Image
Images:
Natroxalate Crystallography
Axial Ratios:
a:b:c =1.9954:1:0.6658
Cell Dimensions:
a = 10.426, b = 5.225, c = 3.479, Z = 2; beta = 93.14° V = 189.24 Den(Calc)= 2.35
Crystal System:
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21 /a
X Ray Diffraction:
By Intensity(I/Io ): 2.826(1), 2.602(0.56), 2.334(0.33),
Physical Properties of Natroxalate
Cleavage:
{100} Perfect, {001} Indistinct
Color:
Colorless, White, Light yellow.
Density:
2.32
Diaphaneity:
Transparent
Fracture:
Brittle - Generally displayed by glasses and most non-metallic minerals.
Hardness:
3 - Calcite
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Natroxalate
Gladstone-Dale:
CI meas = -1.503 (Poor) - where the CI = (1-KPDmeas /KC ) CI calc = -1.471 (Poor) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2172,KPDmeas = 0.22,KC = 0.0879 Ncalc = 1.2 - 1.21
Optical Data:
Biaxial (-), a=1.415, b=1.524, g=1.592, bire=0.1770
Calculated Properties of Natroxalate
Electron Density:
Bulk Density (Electron Density)=2.31 gm/cc note: Specific Gravity of Natroxalate =2.35 gm/cc.
Fermion Index:
Fermion Index = 0.0022012146 Boson Index = 0.9977987854
Photoelectric:
PENatroxalate = 0.71 barns/electronU=PENatroxalate x r Electron Density= 1.65 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Natroxalate is Not Radioactive
Natroxalate Classification
Dana Class:
50.01.11.01 (50) Salts of Organic Acids
(50.01) (Oxalates)
(50.01.11) Dana Group
50.01.11.01 Natroxalate ! Na2C2O4 P 21 /a 2/m
Strunz Class:
10.AB.60 10 - ORGANIC COMPOUNDS
10.A - Salts of Organic Acids
10.AB -Oxalates
10.AB.60 Natroxalate ! Na2C2O4 P 21 /a 2/m
Other Natroxalate Information
References:
PHYS. PROP.(Am.Min.,Vol.82,p432,1997) OPTIC PROP.(Am.Min.,Vol.82,p432,1997)
See Also:
Links to other databases for Natroxalate :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
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Print or Cut-and-Paste your Natroxalate Specimen Label here :
Natroxalate
Na2C2O4
Dana No: 50.01.11.01 Strunz No: 10.AB.60
Locality:
Notes:
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