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
More details...