General Information:
Chemical Formula:Na3Fe+++(SO4)3·3(H2O)
Composition:(Molecular Weight = 501.07 gm)Sodium 13.76 %
NaIron 11.15 %
FeHydrogen 1.61 %
H Sulfur 19.20 %
S Oxygen 54.28 %
O Empirical Formula: Na3Fe3+(SO4)3(OH)2·3(H2O)
Name Origin:Named after its chemical composition.
Physical Properties: Cleavage:[1010] Perfect, [0001] Distinct
Color:white, pale green, bluish green, purplish, or colorless.
Density:2.55 - 2.56, Average = 2.55
Diaphaniety:Transparent
Habits:Spherical - Spherical, rounded aggregates., Fibrous - Crystals made up of fibers.,
Hardness:2.5 - Finger Nail
Luster:Vitreous (Glassy)
Streak:white
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