Zincocopiapite

General Information:
 Chemical Formula:
ZnFe+++4(SO4)6(OH)2·18(H2O)
 Composition:
(Molecular Weight = 1,223.45 gm)
Zinc 5.34 % Zn
Iron 18.26 % Fe
Hydrogen 3.13 % H 
Sulfur 15.73 % S 
Oxygen 57.54 % O 
 Empirical Formula:
ZnFe3+4(SO4)6(OH)2·18(H2O)
 IMA Status:
Approved IMA 1964
Physical Properties:
 Cleavage:
[???] Perfect
 Color:
yellow green.
 Density:
2.181
 Diaphaniety:
Transparent to Translucent
 Hardness:
2 - Gypsum
 Luster:
Vitreous (Glassy)
 Streak:
greenish yellow
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