General Information:
Chemical Formula:As8S9
Composition:(Molecular Weight = 887.97 gm)Arsenic 67.50 %
AsSulfur 32.50 %
S Empirical Formula: As8S9
IMA Status:Approved IMA 1984
Locality:TL: Chile, Alacran, Pampa Larga
Physical Properties: Cleavage:[???] Indistinct
Color:red or orange yellow.
Density:3.4 - 3.46, Average = 3.43
Diaphaniety:Transparent
Hardness:1.5 - Between Talc and Gypsum
Luster:Adamantine - Greasy
Streak:orange
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