Osarizawaite

General Information:
 Chemical Formula:
PbCuAl2(SO4)2(OH)6
 Composition:
(Molecular Weight = 618.88 gm)
Aluminum 8.72 % Al
Copper 10.27 % Cu
Hydrogen 0.98 % H 
Lead 33.48 % Pb
Sulfur 10.36 % S 
Oxygen 36.19 % O 
 Empirical Formula:
PbCuAl2(SO4)2(OH)6
 IMA Status:
Approved IMA 1962
Physical Properties:
 Color:
green.
 Density:
4.037
 Diaphaniety:
Transparent to Translucent
 Hardness:
3-4 - Calcite-Fluorite
 Luster:
Earthy (Dull)
 Streak:
light green
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