Mix together realgar and orpiment; some object to this mixture on account of the poisonous nature of the ingredients.    From Wordnik.com.  [Young's Demonstrative Translation of Scientific Secrets] Reference

Several other, less-common minerals contain arsenic, including orpiment, realgar, and enargite, which are arsenic sulfides.    From Wordnik.com.  [Arsenic] Reference

Such are the kinds of stones that cannot be melted, and realgar, and ochre, and ruddle, and sulphur, and the other things of that kind, most.    From Wordnik.com.  [Meteorology] Reference

Take of nitrate of baryta, twenty-seven parts, by weight; of sulphur, thirteen; of chloride of potassa, five; of realgar, two; and of charcoal three parts.    From Wordnik.com.  [Home Pastimes; or Tableaux Vivants] Reference

Dissolve realgar with one part of orpiment, with aqua fortis.    From Wordnik.com.  [The Notebooks of Leonardo Da Vinci — Complete] Reference

Strabo (XIII, iii, 48) says that in the neighbourhood was a mine of realgar or sulphuret of arsenic, which was worked by criminals.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 12: Philip II-Reuss] Reference

The orange-red sulphides of arsenic, orpiment and realgar, are formed both as primary minerals of igneous source and as secondary products of weathering.    From Wordnik.com.  [The Economic Aspect of Geology] Reference

‘sandarace’ or realgar, is extremely injurious to a horse, and to all draught animals; it is given to the animal as a medicine in a solution of water, the liquid being filtered through.    From Wordnik.com.  [The History of Animals] Reference

In 850, the Chinese alchemist who discovered gunpowder by accident, instead of adding honey to his concoction of sulfur, realgar and saltpetre, added animal dung, and subsequently discovered explosives.    From Wordnik.com.  [Elections - fresh news by plazoo.com] Reference

Your charms; for red realgar, loosened, slips.    From Wordnik.com.  [The Little Clay Cart Mrcchakatika] Reference

Ores, orpiment and realgar -- how to detect an ore of arsenic -- reduction of the ores -- fate of the workmen -- white oxide of arsenic -- effects on the human system -- (Black 3, 136.    From Wordnik.com.  [Outlines of the Lectures on Chemistry, Mineralogy, & Geology, Delivered at the University of North-Carolina, for the Use of the Students. [1]-44 p.] Reference

Nitre, vitriol, cinnabar, alum, salt ammoniac, sublimated mercury, rock salt, alcali salt, common salt, rock alum, alum schist (?), arsenic, sublimate, realgar, tartar, orpiment, verdegris.    From Wordnik.com.  [The Notebooks of Leonardo Da Vinci — Complete] Reference

As for the rest, the fields covered are indeed numerous and include the following (for each I will cite two examples, although in all cases more are available): animals (jerboa, mehari) architecture (alcove, minaret) astronomy (almucantar, nadir) beverages (coffee, julep) birds (albatross, bulbul) chemistry (alkali, realgar) clothing (sash, tarboosh) coins (dinar, dirhem) color (azure, saffron) fish (albacore, tuna) flora (jasmine, spinach) folklore (ghoul, roc) general science (alembic, aludel) literature (almanac, ruba'i) maritime (felucca, xebec) medicine (kef, zedoary) meteorology (haboob, shamal) military (admiral, jemadar) music (rebec, timbal) sports (jereed, safari) topography (bled, djebel).    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol VII No 4] Reference