| For example, it seems to have been used as a medium for vermilion and orpiment. |
| Both realgar and orpiment were important for pigments, medicinal purposes, and poisons among the Ancients. |
| He accordingly mixed one part of red lead, four parts of blue bice, and a proper proportion of orpiment and verdigris. |
| It is now superseded as a pigment by chrome yellow and orpiment, which are not only more beautiful, but cheaper preparations. |
| Commonly associated minerals include orpiment, stibnite, a variety of sulfides and sulfosalts, calcite, and barite. |
| Massicot and orpiment, he considers as those which have been the least permanent amongst all the mineral colours. |
