General Information:
Chemical Formula:
SbAs
Composition:
(Molecular Weight = 196.67 gm)
Antimony 61.91 % Sb
Arsenic 38.09 % As
Empirical Formula:
SbAs
Environment:
Hydrothermal veins and granite pegmatites.
Name Origin:
Named for its composition of antimony (Latin=stibium) and arsenic.
Physical Properties:
Cleavage:
[???] Perfect
Color:
white, gray, grayish white, or reddish white.
Density:
6.1 - 6.2, Average = 6.15
Diaphaniety:
Opaque
Habits:
Reniform - "Kidney like" in shape (e.g.. hematite)., ,
Hardness:
3-4 - Calcite-Fluorite
Luminescence:
Non-fluorescent.
Luster:
Metallic
Streak:
grayish black
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