Page:Theophrastus - History of Stones - Hill (1774).djvu/221

 and to have uffered Changes by means of Fire, as Sandarach, Orpiment, and others of that Kind; all of them, however, plainly peaking, owe their preent Form to the Exhalation of their more humid Parts; and thee, in particular, eem to have been dried, and, as it were, moaked, They are found in Mines of Gold and Silver, and ome in thoe of Copper alo.

XC. Of this kind are Orpiment,