orpiment


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Related to orpiment: arsenic, cinnabar

orpiment

a sulfide ore containing arsenic.
References in periodicals archive ?
from Pontus near Sinope, in Egypt, the Balearic islands and the island of Lemnos), "paraetonium" (according to Pliny a "chalk" from Libya--the difference between "chalk" and "clay" was not clear to the ancient authors and not even to Agricola), "melium" (from the island of Melos, according to Pliny a white clay), green earth (creta viridis) from Smyrna, orpiment (auripigmentum) and realgar (sandaraca) from Pontus (Vitruvius, 1953, 2004, 2008).
Finally, for good measure, we should remember a small number of mineral products (galena, orpiment, certain smectic clays).
Orpiment was found in the flesh tones, vermilion in the red robe of the youth tearing off his cloak to follow Alfred, and Prussian blue was used for the sky.
Titian, a citizen of mercantile Venice, exalted in the materially sumptuous, including rare pigments (lapis lazuli from central Asia, transalpine azurite, orpiment, dyers' red lake which he sent for when in Augsburg by the half-pound, and the local vermilion and unsurpassed lead white) which trade brought to the wharves on the 'precious strand' of the Republic that 'once did hold the gorgeous East in fee'.
Yellow arsenic sulfide is known as the mineral orpiment (hartal in Hindu), while realgar is the red arsenious sulfide, though the former is considered the true arsenicum in the arsenal of the ancient poisoner's trade.
To doo this, take Brimstone, Orpiment, and common Oyle, of these make an ointment, with the which anoint thy garment all about, & thy head and handes, and after light the same & it wil burne all at once without harme.
Mineralization (pyrite, stibnite, orpiment, and realgar), overlain by 0-600 ft alluvium, is hosted in calcareous and non-calcareous shales and calcarenites interlayered with basaltic tuffs and basaltic to peridotic flows and sills.
Arsenic market is a highly dependent segment of the global economy - the material is recovered from processing of nonferrous ores or concentrates and is a byproduct of gold mining from orpiment and realgar.
Realgar, orpiment and stibnite are common in the outer parts of the deposit.
32 The arsenic-containing mineral orpiment is which bright colour?
Within the altered breccia complex mineralization consists of minor disseminated pyrite, native sulphur, and locally traces of cinnabar, realgar and orpiment.