General Information:
Chemical Formula:AsS
Composition:(Molecular Weight = 106.99 gm)Arsenic 70.03 %
AsSulfur 29.97 %
S Empirical Formula: AsS
Name Origin:From the Arabic, rahj al ghar, "powder of the mine;"
Physical Properties: Cleavage:[010] Good
Color:aurora red, orange yellow, or dark red.
Density:3.56
Diaphaniety:Transparent to translucent
Habits:Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Granular - Common texture observed in granite and other igneous rock., Druse - Crystal growth in a cavity which results in numerous crystal tippe
Hardness:1.5-2 - Talc-Gypsum
Luminescence:None.
Luster:Sub Metallic
Streak:orange
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