Home Orpiment
II - Sulfides
Crystal habit of Orpiment Orpiment

Name   Orpiment
Chemistry   As2S3
Hardness   1,5 - 2
Lustre   metallic
Colour   lemon yellow
Streak   yellow
Density [g/cm3]   3.4 - 3.5
Crystal habit   monoclinic-prismatic
Cleavage, Fracture   [010] perfect
other characteristics and occurrences   deteriorates into a powder, especially under the influence of light,
occurrence often together with realgar (AsS) in volcanic environment and in hydrothermal veins

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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