General Information:
Chemical Formula:AgFe+++3(SO4)2(OH)6
Composition:(Molecular Weight = 569.58 gm)Iron 29.41 %
FeSilver 18.94 %
AgHydrogen 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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