General Information:
Chemical Formula:Tl4Hg3Sb2As8S20
Composition:(Molecular Weight = 2,903.50 gm)Thallium 28.16 %
TlMercury 20.73 %
HgAntimony 8.39 %
SbArsenic 20.64 %
AsSulfur 22.09 %
S Empirical Formula: Tl4Hg3Sb2As8S20
Environment:Itergrwon with realgar and orpiment.
Locality:Allchar, near Rozsdan, northwest of Salonika, Macedonia, Greece.
Physical Properties: Cleavage:[010] Good
Color:gray black or dark red.
Density:5.3 - 2.3, Average = 3.8
Diaphaniety:Opaque to subtranslucent
Hardness:3.5 - Copper Penny
Luster:Metallic
Streak:light red
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