Valentinite
IV - Oxides |
Name | Valentinite
(Antimony Bloom) |
|
Chemistry | Sb2O3 | |
Hardness | 2.5 - 3 | |
Lustre | adamantine | |
Colour | colourless, white, yellow, reddish or grey | |
Streak | white | |
Density [g/cm3] | 5.6 - 5.8 | |
Crystal habit | orthorhombic | |
Cleavage, Fracture | [100] perfect, [010] distinct, fracture uneven | |
other characteristics and occurrences | valentinite is dimorph
with senarmontite (same chemistry, but isometric crystal habit)
oxidation product of stibnite (Sb2S3) |
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