General Information:
Chemical Formula:
AgFe+++3(SO4)2(OH)6
Composition:
(Molecular Weight = 569.58 gm)
Iron 29.41 % Fe
Silver 18.94 % Ag
Hydrogen 1.06 % H
Sulfur 11.26 % S
Oxygen 39.33 % O
Empirical Formula:
AgFe3+3(SO4)2(OH)6
Physical Properties:
Cleavage:
[???] Perfect
Color:
brown, yellow, or yellow brown.
Density:
3.66
Diaphaniety:
Transparent to Translucent
Habits:
Micaceous - Platy texture with "flexible" plates., ,
Hardness:
3.5-4.5
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
yellow
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