General Information:
Chemical Formula:
(NH4)Fe+++(SO4)2
Composition:
(Molecular Weight = 266.01 gm)
Iron 20.99 % Fe
Hydrogen 1.52 % H
Sulfur 24.11 % S
Nitrogen 5.27 % N
Oxygen 48.12 % O
Empirical Formula:
NH4Fe3+(SO4)2
IMA Status:
Approved IMA
Physical Properties:
Color:
white.
Density:
2.68 - 2.69, Average = 2.68
Diaphaniety:
Transparent
Hardness:
2 - Gypsum
Luster:
Earthy (Dull)
Streak:
white
More details...