Loreto, Santa Casa di, 174, 262, 267 Los Cerrillos, N. M., turquoise from, 111, 112 Louis XIV, 221 Luca ben Costa, 291 Lucian, 177, 237 “Lucky stones” (gypsum), from Niagara Falls, 80 Luminous stones, 101, 174 in Abraham’s city, 161, 276 of Astarte, 163 of Egmund Abbey, 164 of Emperor Manuel’s throne, 166 of Henri II of France, 166 of King of Siam, 62 of Noah in the Ark, 161, 276 of St. Elizabeth’s shrine, 165 tale of, by Ælian, 161, 162 “Lunar-stone,” 168 Luther, Martin, 294 tale of amulet vender by, 45, 46 _Lychnus_ or _lychnitis_ (a spinel?), 162, 163, 357 Lydian stone, 163 _Lyncurius_, 56, 295 M Macon, Ga., court decision about loadstone, 96 Maeterlinck, Mme., 76 _Magatama_ amulets of Japanese, 265 Magical influences of stones, 3, 5, 6, 7, 42 Magnes, reputed discoverer of loadstone, 93 Magnet Cove, Ark., loadstone from, 96 _Maharatnani_, five chief gems of the _naoratna_, 242 Malachite, 8, 37, 299 as a child’s amulet, 97 to protect from Evil Eye, 137 to protect from falls, 97 mines of, 97 Manassah, 288, 289 Mandeville, Sir John, 71, 72, 103, 109 Manuel, Emperor, throne of, 166 Marbodus, 15, 51, 59, 70, 104, 164, 377 Marguerite de Valois, 5 Mars, the god, 81, 94, 140, 341 planet, 187, 243, 338, 348, 352, 353, 354, 355 Martial, St., jeweled gloves of, 257 Matrix-emerald, 226, 227 Medusa, head of, on talisman, 124 Meleager, 56 Mendès, Mme. Catulle, 26 Mentzel, Christian, 168 Mercury, the god, 257, 341 planet, 123, 242, 348, 352, 353, 354, 355 typical of green, 31 Metropolitan Museum of Art, 86, 130, 342 Meyer, Dr. A. B., viii Meyers, J. L., 292, 299 “Mexican onyx,” 251 Meyer, Prof. A. B., 250 Michael, St., 257 Microcline, 50 Mithridates the Great, 80 Mizauld, Antoine, 98, 166 Mohammed’s carnelian seal-ring, 64 Moldavite, 360 Monardes, 390 Montfaucon, Bernard de, 220 Month, Hindu list of gems of the, 331 natal stones of the, 326-333 Moonstone, 8, 320, 334 as gift for lovers, 98 in India, 97 waxing and waning with moon, 98 Morales, 343 Morgan, J. Pierpont, vi, 254 Morgan Collection, Am. Mus. Nat. Hist. N. Y., vi, 66 Morgan-Tiffany Collection, Am. Mus. Nat. Hist., 106, 233 Morganite, gem of Madagascar, 364 Moryson, Fynes, Gent., 174 Moser, Consul General, vii Moses, 278, 280, 286 Moss-agate, 48 Müller, Max, 269 Multan, India, idol of temple at, 240 Musée d’Histoire Naturelle, Paris, vi Mother-of-pearl, therapeutic use of, 239 Mycenæ, amber at, 57 gems from, 204 _Myrmecites_, 34 N Naharari, on gems, 386 Names, initials of, figured by precious stones, 47-50 _Naoratna_, nine-gem jewel, 231, 241, 242-245 names of, in various tongues, 244 occult use of gems in, 244 Naphtali, 298 Napoleon’s carnelian seal, 64 Napoleon I, 64, 260, 309