General Information:
Chemical Formula:
Sb
Composition:
(Molecular Weight = 121.75 gm)
Antimony 100.0 % Sb
Empirical Formula:
Sb
Name Origin:
From the Arabic, al-uthmud, to Medieval Latin, antimonium; originally applied to stibnite, the sulfide of antimony.
Physical Properties:
Cleavage:
[0001] Perfect
Color:
light gray or tin white.
Density:
6.61 - 6.72, Average = 6.66
Diaphaniety:
Opaque
Habits:
Massive - Lamellar - Distinctly foliated fine-grained forms., Massive - Uniformly indistinguishable crystals forming large masses., Reticulate - Fibers or columns cross in "Net-like" crystalline growths (e.g. cerrusite).
Hardness:
3-3.5 - Calcite-Copper Penny
Luminescence:
None.
Luster:
Metallic
Streak:
lead gray
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