Orpiment

Definition and stakes

Theophrastus - History of Stones - Hill…

“ The Ochres all contain more or less Iron; for the yellow ones become red by burning.
↑ Sandarach and Orpiment are also two Substances of the same Nature and Texture, differing in Colour, like the Ochre and Reddle; and, in like manner, the yellow will become red by burning.
Orpiment is the Ἀῤῥενικὸν of the antient, and Ἀρσενικὸν of the later Greeks. The Arabians call it Zarnich Asfar: It is a very beautiful Substance, composed of large Flakes, resembling those of the Lapis Specularis, but of a glorious Yellow; very weighty, and sometimes holding a small Quantity of Gold.
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Source: Wikisource

John W. Mollett,  An Illustrated Dictionary of Words used in Art and Archaeology (1883)

“ Mosaic gold, another name for such a metal, is composed of 65 copper and 35 zinc.
Ormolu Varnish. A copper, bronze, or imitation-gold varnish.
Ornithon, R. (ὀρνιθών) . A poultry-yard or aviary.
Orpharion, O. E. A kind of lute. (Halliwell.)
Orpheon. A musical instrument.
Orphrey. An old English word for gold embroidery, from the Latin auriphrygium. (See Orfrays.)
Orpiment (Lat. auripigmentum; Ang. king’s yellow) . A yellow pigment of arsenic with sulphur, or, when the arsenic predominates, an orange colour. The finest native orpiment comes from Persia, and is called golden orpiment.
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Source: Gutenberg

1911 Encyclopædia Britannica, Volume 3… (1911)

“ Azerbāïjān is one of the most productive provinces of Persia. The orchards and gardens in which many villages are embosomed yield delicious fruits of almost every description, and great quantities, dried, are exported, principally to Russia. Provisions are cheap and abundant, but there is a lack of forests and timber trees. Lead, copper, sulphur, orpiment, also lignite, have been found within the confines of the province ”
Source: Wikisource

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