Also 7 zernich, 9 zarnac, -ec, -eg, -ek. [Arab. zarnīkh, f. Pers. zernī orpiment, f. zer gold.] A name for the yellow and red sulphides of arsenic, usually called respectively orpiment and realgar.
1610. B. Jonson, Alch., II. iii. Your lato, azoch, zernich, chibrit, heautarit.
1748. J. Hill, Hist. Fossils, 406. Bright red Zarnich, the Sandarach of Authors.
1867. Brande & Cox, Dict. Sci., s.v. Yellow Orpiment, In its native state it [sc. yellow arsenic] is used under the name of Zarnic or Zarnich.
