orpiment

How To Use orpiment In A Sentence

• Upon all vegetable lakes, except those of madder, they have a destructive effect; and are injurious to gamboge, as well as to those almost obsolete pigments, red and orange leads, king's and patent yellow, massicot, and orpiment. Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
• Orange-coloured grounds may be formed by mixing vermilion or red lead with King's yellow, or orange lake or red orpiment (? realgar) will make a brighter orange ground than can be produced by any mixture. Handbook on Japanning: 2nd Edition For Ironware, Tinware, Wood, Etc. With Sections on Tinplating and Galvanizing
• Other minerals associated with the orpiment crystals are white to colorless barite crystals, lemon-yellow crystalline masses of sulfur, and minor realgar.
• Unfortunately, however, many orpiment localities also contain abundant to trace realgar, sometimes intimately intergrown with the orpiment, leading to overall specimen stability problems.
• The orange-red sulphides of arsenic, orpiment and realgar, are formed both as primary minerals of igneous source and as secondary products of weathering. The Economic Aspect of Geology
• Several other, less-common minerals contain arsenic, including orpiment, realgar, and enargite, which are arsenic sulfides. Arsenic
• ~ Arsenic occurs in considerable quantities in nature as the native element, as the sulphides realgar (As_ S_ ) and orpiment An Elementary Study of Chemistry
• Orpiment has a light to a dark yellow sulfurous colour tone and applies thick to semi-transparent.
• But, among what Ms. Moore lists as ‘poisonous’ pigments are camotite and orpiment that give bright yellow and cinnabar and realgar that give red.
• The name arsenic comes from the Greek word arsenikon, which means orpiment. Arsenic