[506] S. Hildegardæ, “Opera omnia,” in Pat. Lat. ed. by J. P. Migne, vol. cxcvii, Parisiis, 1855, col. 1255.
[507] Arnobio, “Il tesoro delle gioie,” Venice, 1602, p. 21.
[508] Bellucci, “Il feticismo in Italia,” Perugia, 1907, p. 91, note.
[509] Monardes, Semplicium medicamentorum ex novo orbe delatorum historia (Latin version by Clusius), Antverpiæ, 1579, p. 51.
[510] Sahagun, “Historia general de las cosas de Nueva España,” vol. iii. Mexico, 1830, pp. 300, 301; lib. xi, cap. viii.
- Five Asteria—Star Sapphires, Ceylon
- Ruby—Asteria—Ceylon
- Sunstone, Perth, Canada
- Moonstone—with white light—Ceylon
- Moonstone—bluish chatoyancy—Ceylon
- Iris—Brazil, South America
- Alexandrite—Green, Ceylon
- Cat’s Eye—Ceylon
- Alexandrite—Red by artificial light—Ceylon
- Precious Opal—Hungary
- Fire Opal, Queretera, Mexico
- Black Opal—Lightning Ridge, New South Wales