The Curious Lore of Precious StonesNote 27 — II On the Use of Precious and Semi-Precious Stones as Talismans and AmuletsReading editionFrancisci Ruei, “De gemmis,” Tiguri, 1566, f. 4.◇Copy noteReturn to II On the Use of Precious and Semi-Precious Stones as Talismans and Amulets