General Information:
Chemical Formula:
(Zn,Fe++,Mn)Al2(SO4)4·22(H2O)
Composition:
(Molecular Weight = 896.04 gm)
Manganese 0.61 % Mn
Aluminum 6.02 % Al
Zinc 4.38 % Zn
Iron 1.87 % Fe
Hydrogen 4.95 % H
Sulfur 14.31 % S
Oxygen 67.85 % O
Empirical Formula:
Zn0.6Fe2+0.3Mn2+0.1Al2(SO4)4·22(H2O)
Physical Properties:
Color:
brownish yellow or gray white.
Density:
1.8
Diaphaniety:
Transparent
Habits:
Fibrous - Crystals made up of fibers., ,
Hardness:
2 - Gypsum
Luster:
Vitreous (Glassy)
Streak:
white
More details...