Wheatleyite Mineral Data

Wheatleyite Mineral Data
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General Wheatleyite Information

Help on Chemical Formula: Chemical Formula: Na2Cu(C2O4)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 321.60 gm
   Sodium    14.30 %  Na   19.27 % Na2O
   Copper    19.76 %  Cu   24.73 % CuO
   Hydrogen   1.25 %  H    11.20 % H2O
   Carbon    14.94 %  C    44.79 % C2O3
   Oxygen    49.75 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Cu(C2O4)2•2(H2O)
Help on Environment: Environment: Found on a specimen found on the mine dumps of a Pb-Zn vein deposit.
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Wheatley mine, near Phoenixville, Chester Co., Pennsylvania, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the localiity.
Help on Name Pronunciation: Name Pronunciation: Wheatleyite + Pronunciation Say WHEATLEYITE
Help on Synonym: Synonym: ICSD 40090
  PDF 39-1500
 

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Wheatleyite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7821:1:0.3713
Help on Cell Dimensions: Cell Dimensions: a = 7.559, b = 9.665, c = 3.589, Z = 1; alpha = 76.65°, beta = 103.67°, gamma = 109.1° V = 234.25 Den(Calc)= 2.28
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.539(1), 3.169(0.9), 7.04(0.8),
Click Here for Large Wheatleyite Structure Window Crystal Structure:

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Chananont P , Nixon P E , Waters J M , Water T N , Acta Crystallographica, Section B , 36 (1980) p.2145-2147, The structure of disodium catena-bis(mu-oxalato)-cuprate(II) dihydrate, Locality: synthetic

 

Physical Properties of Wheatleyite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: Blue.
Help on Density: Density: 2.27
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 1-2 - Between Talc and Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light blue
 

Optical Properties of Wheatleyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.969 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.987 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.232,KPDmeas= 0.23,KC= 0.1168
Ncalc = 1.26 - 1.27
Help on Optical Data: Optical Data: Biaxial (+), a=1.4, b=1.499, g=1.667, bire=0.2670, 2V(Calc)=84, 2V(Meas)=83.
 

Calculated Properties of Wheatleyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.24 gm/cc
note: Specific Gravity of Wheatleyite =2.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0018840011
Boson Index = 0.9981159989
Help on Photoelectric: Photoelectric: PEWheatleyite = 8.83 barns/electron
U=PEWheatleyite x rElectron Density= 19.82 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wheatleyite is Not Radioactive
 

Wheatleyite Classification
Help on Dana Class: Dana Class: 50.01.08.01 (50)Salts of Organic Acids
  (50.01)(Oxalates)
  (50.01.08)Dana Group
 
50.01.08.01 Wheatleyite Na2Cu(C2O4)2•2(H2O) P1 1
Help on Strunz Class: Strunz Class: 10.AB.30 10 - ORGANIC COMPOUNDS
  10.A - Salts of Organic Acids
  10.AB -Oxalates
 
10.AB.30 Wheatleyite Na2Cu(C2O4)2•2(H2O) P1 1
 

Other Wheatleyite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Wheatleyite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Wheatleyite Specimen Label here :

Wheatleyite

Na2Cu(C2O4)2•2(H2O)
Dana No: 50.01.08.01 Strunz No: 10.AB.30
Locality:

 

Notes: