General Information:
Chemical Formula:Sb2O3
Composition:(Molecular Weight = 291.50 gm)Antimony 83.53 %
SbOxygen 16.47 %
O Empirical Formula: Sb2O3
Environment:Occurs as an oxidation procuct of various antimony minerals.
IMA Status:Approved IMA 1960
Locality:South Ham, Wolfe Co., Quebec.
Name Origin:Named after the German alchemist, B. Valentinus (16th century).
Physical Properties: Cleavage:[110] Perfect, [010] Distinct
Color:brownish reddish, colorless, gray white, grayish, or yellowish.
Density:5.6 - 5.8, Average = 5.69
Diaphaniety:Transparent
Habits:Euhedral Crystals - Occurs as well-formed crystals showing good external form., Divergent - Crystals radiate from a center without producing stellar forms., Striated - Parallel lines on crystal surface or cleavage face.
Hardness:2.5-3 - Finger Nail-Calcite
Luminescence:None.
Luster:Adamantine
Streak:white
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