General Information:
Chemical Formula:
Fe++SO4·4(H2O)
Composition:
(Molecular Weight = 223.97 gm)
Iron 24.93 % Fe
Hydrogen 3.60 % H
Sulfur 14.32 % S
Oxygen 57.15 % O
Empirical Formula:
Fe2+(SO4)·4(H2O)
IMA Status:
Approved IMA 1987
Physical Properties:
Color:
colorless, greenish, greenish white, yellowish white, or white.
Density:
2.195
Diaphaniety:
Transparent to Translucent
Hardness:
2-3 - Gypsum-Calcite
Luster:
Earthy (Dull)
Streak:
white
More details...