Natroxalate Mineral Data

(Translated by https://www.hiragana.jp/)
Natroxalate Mineral Data

General Natroxalate Information

Chemical Formula:

Na2C2O4

Composition:

Molecular Weight = 134.00 gm

Sodium 34.31 % Na 46.25 % Na₂O

Carbon 17.93 % C 53.75 % C₂O₃

Oxygen 47.76 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₂(C₂O₄)

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

Comments: Colorless transparent crystalline natroxalate fragment.
Location: Mount Kukisvumchorr, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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 - PrismaticH-M Symbol (2/m) Space Group: P 2₁/a

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.826(1), 2.602(0.56), 2.334(0.33),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Reed D A , Olmstead M M , Acta Crystallographica, Section B , 37 (1981) p.938-939, Sodium oxalate structure refinement, Locality: synthetic, Sample: T = 140 K

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:

PE_Natroxalate= 0.71 barns/electron
U=PE_Natroxalate x rElectron 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

Search for Natroxalate using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Natroxalate :

A Bijoux Google Search for Natroxalate
Adam's Minerals Google Search for Natroxalate
Cape Minerals Google Search for Natroxalate
Dakota Matrix Minerals Google Search for Natroxalate
Excalibur Mineral Corp. Google Search for Natroxalate
Exceptional Minerals Google Search for Natroxalate
John Betts Fine Minerals Search for Natroxalate
McDougall Minerals Google Search for Natroxalate
Mineral News Website Link
Rock and Mineral Shows Google Search for Natroxalate
Weinrich Minerals, Inc. Google Search for Natroxalate

Ask about Natroxalate here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: