ORPIMENT

Orpiment

Orpiment is a deep orange-yellow colored arsenic sulfide mineral with formula As2S3. It is found in volcanic fumaroles, low temperature hydrothermal veins, and hot springs and is formed both by sublimation and as a byproduct of the decay of another arsenic mineral, realgar. It takes its name from the Latin auripigmentum because of its deep-yellow color.

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orpiment

Noun

  1. arsenic trisulphide, occurring naturally in crystals or massive deposits, formerly used as a dye or pigment


The above text is a snippet from Wiktionary: orpiment
and as such is available under the Creative Commons Attribution/Share-Alike License.

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