Note 1747 — BOOK XXXIV. THE NATURAL HISTORY OF METALS. (continued 2)
John Bostock translation
The Realgar of the moderns, red orpiment, or red sulphuret of arsenic. Pliny has in numerous places spoken of it as a remedy for certain morbid states both of animals and vegetables, B. xvii. c. 47, B. xxiii. c. 13, B. xxv. c. 22, and B. xxviii. c. 62, but he has not previously given any account of its origin and composition.—B.