General Information:
Chemical Formula:
NaMgFe+++(C2O4)3·8-9(H2O)
Composition:
(Molecular Weight = 520.33 gm)
Sodium 4.42 % Na
Magnesium 4.67 % Mg
Iron 10.73 % Fe
Hydrogen 3.29 % H
Carbon 13.85 % C
Oxygen 63.03 % O
Empirical Formula:
NaMgFe3+(C2O4)3·8.5(H2O)
IMA Status:
Approved IMA 1963
Locality:
Tyllakh coal deposit, Lena River, Siberia, Russia.
Name Origin:
Namde for Pavel Ivanovich Stepanov (1880-1047), Russian geologist.
Physical Properties:
Cleavage:
None
Color:
green or yellow green.
Density:
1.69
Diaphaniety:
Transparent to Translucent
Habits:
Granular - Generally occurs as anhedral to subhedral crystals in matrix., Aggregates - Made of numerous individual crystals or clusters., Water Soluble - Water soluble mineral.
Hardness:
2 - Gypsum
Luster:
Vitreous (Glassy)
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