General Information:
Chemical Formula:K2Fe+++Cl5·(H2O)
Composition:(Molecular Weight = 329.32 gm)Potassium 23.74 %
K Iron 16.96 %
FeHydrogen 0.61 %
H Chlorine 53.83 %
ClOxygen 4.86 %
O Empirical Formula: K2Fe3+Cl5·(H2O)
Locality:Vesuvius and Etna.
Name Origin:Named from the Greek, erythros = "red" amd sideros = "iron."
Physical Properties: Cleavage:[210] Perfect, [011] Perfect
Color:brown red or red.
Density:2.372
Diaphaniety:Transparent to Translucent
Habits:Tabular - Form dimensions are thin in one direction., Pseudo Octohedral - Crystals show an octohedral outline.,
Luster:Vitreous (Glassy)
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