A bright yellow mineral consisting of arsenic trisulphide, formerly used as a dye and artist’s pigment.
- Commonly associated minerals include orpiment, stibnite, a variety of sulfides and sulfosalts, calcite, and barite.
- Jet is black and shiny when polished, and was sometimes inlaid with tin, calcium carbonate or orpiment, a yellow mineral imported from France and Germany.
- Of these, lead white, red ochre, red lake, orpiment and Prussian blue do not appear in the 1892 list; but all these pigments have been found elsewhere in Watts's oeuvre.
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