Leiteite

General Information:
 Chemical Formula:
ZnAs+++2O4
 Composition:
(Molecular Weight = 279.23 gm)
Zinc 23.42 % Zn
Arsenic 53.66 % As
Oxygen 22.92 % O 
 Empirical Formula:
ZnAs2O4
 IMA Status:
Approved IMA 1977
Physical Properties:
 Cleavage:
[100] Perfect
 Color:
brown, colorless, or pearl white.
 Density:
4.31
 Diaphaniety:
Transparent
 Hardness:
1.5-2 - Talc-Gypsum
 Luster:
Pearly
 Streak:
white
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