General Information:
Chemical Formula:
(Zn,Mg)SO4·4(H2O)
Composition:
(Molecular Weight = 223.24 gm)
Magnesium 2.72 % Mg
Zinc 21.97 % Zn
Hydrogen 3.61 % H
Sulfur 14.36 % S
Oxygen 57.33 % O
Empirical Formula:
Zn0.75Mg0.25(SO4)·4(H2O)
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
None
Color:
white.
Density:
2.41
Diaphaniety:
Transparent to Translucent
Hardness:
2 - Gypsum
Luster:
Vitreous - Dull
Streak:
white
More details...