Orpiment As2S3 - Handbook of MineralogyOrpiment. As2S3 c 2001-2005 Mineral Data Publishing, version 1 . (520) 24.0–28.4, (540) 23.3–27.8, (560) 22.8–27.3, (580) 22.3–26.9, (600) 22.0–26.5, (620).impact orpiment crusher 600×900,Orpiment - WikipediaOrpiment is a deep-colored, orange-yellow arsenic sulfide mineral with formula As 2S 3. It is found in volcanic fumaroles, low-temperature hydrothermal veins,.Pigments through the Ages - Overview - Orpiment - WebexhibitsBrief description of Orpiment: A rich lemon or canary yellow with fair covering power and good chemical stability. It's an arsenic sulfide which naturally occurs.
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