General Information:
Chemical Formula:
Na3Fe+++(SO4)3·3(H2O)
Composition:
(Molecular Weight = 501.07 gm)
Sodium 13.76 % Na
Iron 11.15 % Fe
Hydrogen 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
More details...