Wheatleyite

General Information:
 Chemical Formula:
Na2Cu(C2O4)2·2(H2O)
 Composition:
(Molecular Weight = 321.60 gm)
Sodium 14.30 % Na
Copper 19.76 % Cu
Hydrogen 1.25 % H 
Carbon 14.94 % C 
Oxygen 49.75 % O 
 Empirical Formula:
Na2Cu(C2O4)2·2(H2O)
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
[100] Perfect
 Color:
blue.
 Density:
2.27
 Diaphaniety:
Transparent
 Hardness:
1-2 - Between Talc and Gypsum
 Luster:
Vitreous (Glassy)
 Streak:
light blue
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