Ferrinatrite

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
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