General Information:
Chemical Formula:
K3NaFe++Cl6
Composition:
(Molecular Weight = 408.85 gm)
Potassium 28.69 % K
Sodium 5.62 % Na
Iron 13.66 % Fe
Chlorine 52.03 % Cl
Empirical Formula:
K3NaFe2+Cl6
Locality:
Wolkranshusen near Nordhausen, Germany.
Physical Properties:
Cleavage:
[???] Good, [???] Good
Color:
colorless, rose red, violet, brown, or yellow.
Density:
2.3
Diaphaniety:
Transparent to translucent
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:
3 - Calcite
Luster:
Vitreous - Adamantine
Streak:
white
More details...