orpiment

views updated May 08 2018

orpiment Sulphide, As2S3; sp. gr. 3.5; hardness 2.0; yellow or yellowish-orange; foliated or powdery aggregate; occurs in low-temperature veins and hot-spring deposits, commonly associated with realgar and stibnite.

orpiment

views updated May 21 2018

orpiment yellow arsenic. XIV. — (O)F. — L. auripigmentum, f. aurum gold + pigmentum PIGMENT.

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