Agate, 51-54, 132, 236, 237, 265, 296, 305, 336 amulets in the Soudan, 54 amulets of, cut in Idar and Oberstein, 54 banded, 39, 233, 296 coral, for an air-ship, 53 eye-agates and “Aleppo Stones,” 39, 149, 150 gem of Gemini, 346 of Mercury, 350 of Venus, 349 in breastplate, 276 with veinings figuring diadem, 267 Agatharcides, 66 Agricola, Georgius, 141 Agrippa, Cornelius, 181, 335, 336 _Aḥlamah_, stone of breastplate, 297 Air-ship, with coral agate, 52, 53 Alabaster, 35, 36 Alaric, 283 “Albert,” “Le Grand,” “Le Petit,” treatises on stones, 18 Albertus Magnus, 7, 17, 68, 77, 78, 146, 387 Albite, 48 “Aleppo Stones,” 149 boil, 149 Alexander the Great, 68, 96, 125 Alexander II of Russia, 54 Alexandria, 125, 126, 130 Alexandrite, 54, 55 cat’s-eye, 334 Alfonso X, “Lapidario” of, 63, 348, 376 Alford, Henry, 304 Allanite, from Virginia, 366 Almandine garnet, 37, 59, 293 Amazonite, from Maine, 365 Amber, 34, 55-58 in deposits of Stone Age, 55, 57 in Mycenæ, 57 origin of, 55, 56 therapeutic effect of, 372 with initials naturally marked, 57, 58 Amboin, 62 American Museum of Nat. Hist., vi, vii, 219, 234, 249, 254 Amethyst, 37, 119, 134, 145, 237, 243, 244, 297, 303, 305, 336 as antidote to drunkenness, 58, 371 as symbol of St. Matthias, 313 gem of Jupiter, 348 of Pisces, 345 in breastplate, 276 legend of, 58, 59 ring of St. Valentine, 257 symbolism of, 269 Amulets, Alexandrian, 125-129 Assyrian, of seven stones, 230 attraction of astral influence to, 340 Burmese, 266 canon on, at Council of Laodicea, 42 Chinese, of five stones, 40 directions for preparing, 39 Egyptian, 38, 226-229 etymology of word, 22 for heart, 227-229 for horses, 130 Gnostic, 125-129 in Austro-Prussian War, 25 in Russo-Japanese War, 25 Japanese, called _magatama_, 265 Jewish, 43 of five stones, _pancharatna_, 241 of nine stones, _naoratna_, 241, 242-245 origin of, 19-24 sailors’, 38, 39 with head of Alexander the Great, 131 Amymone, image of, in emerald, 139, 140 Andalusite, 47 Andreas, bishop of Cæsarea, on apostles’ stones, 311, 313 Andromeda, image of, on gem, 140 Angels, 275 guardian of the months, 326-332 guardian, stones dedicated to, 339, 340 nine orders of, 314 twelve, 303 twelve guardian, 322 “Anne of Geierstein” and the opal, 143 _Anthrax_ (carbuncle), 162 Apocalyptic gems, significance of, 305 Apollonius of Tyana, seven rings of, 244 Apostles, lists of the twelve, 304 stones of, 303-306 Aquamarine (beryl), 299, 320 therapeutic effect of, 387 Aquarius, zodiacal sign of, 345, 353 Aquinas, St. Thomas, 17 Aragonite, 251 Aries, zodiacal sign, 341, 342, 345, 353 Aristotle, pseudo-, 160, 163 Arsinoë, wife of Ptolemy II, 67, 93