[56] Kropatschek, “De amuletorum apud antiquos usu,” Gryphiæ, 1907, p. 16.
[57] Cardani, “Philosophi opera quædam lectu digna,” Basileæ, 1585, p. 323. “De gemmis.”
[58] Rumphius, “Amboinsche Rariteitkamer,” Amsterdam, 1741, p. 308.
[59] Goethe Westösterlicher Divan I, Segenspfänder.
[60] “Lapidario del Rey D. Alfonso X,” codice original, Madrid, 1881, fol. 77, p. 49.
[61] Hendley, “Indian Jewellery,” London, 1909, p. 158.
[62] Arakel, “Livre d’histoire,” chap. liii; transl. in Brosset, “Collection d’historiens arméniens,” St. Pétersburg, 1874, vol. i, pp. 544, 545.
[63] Josephi Gonelli, “Thesaurus philosophicus, seu de gemmis,” Neapoli, 1702, p. 112.
[64] “Gemmarum et lapidum historia,” Lug. Bat., 1636, p. 230.
[65] Agatharcides, “De Mare Erythræo,” §2. The topaz of the ancients was unquestionably the gem commonly called chrysolite at present (olivine, peridot).