Orthoserpierite

General Information:
 Chemical Formula:
Ca(Cu,Zn)4(SO4)2(OH)6·3(H2O)
 Composition:
(Molecular Weight = 644.32 gm)
Calcium 6.22 % Ca
Zinc 10.15 % Zn
Copper 29.59 % Cu
Hydrogen 1.88 % H 
Sulfur 9.95 % S 
Oxygen 42.21 % O 
 Empirical Formula:
CaCu3ZnSO42OH6·3(H2O)
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
[???] Perfect
 Color:
pale blue green.
 Density:
2.95 - 3.05, Average = 3
 Diaphaniety:
Transparent
 Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., Platy - Sheet forms (e.g. micas).,
 Luster:
Vitreous (Glassy)
 Streak:
light green
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