Napoleon III, 64, 142 Natal stones, vi, 1, 307-337 list of, from various sources, 315 proposed new listing of, 317-321 selected from precious stones produced in the United States, 323 National Museum, Washington, vi Natrolite, 50 Navajos, rain-making gods of the, adorned with coral and turquoise, 246 Neandross, Sigurd, Maori warrior by, 254 Nebo, god, image on cylinder, 123 Necklace, Egyptian, 36-38 of Vesta, 235 Nephrite, see _jade_ _Nephritfrage_, viii, 249 Neptune, god, 341 New Jerusalem, 236, 275, 302-306 foundation stones of, 307, 310-314, 316, 317 New South Wales, black opal of, 152 New Zealand jade, 87-90 Nicander, 93 Nicias, 56 Nicols, Thomas, 7, 142 Ninib, god, image on seal, 35 Noah, luminous stones of, in the Ark, 161, 276 Nodes, ascending and descending, 243 Nonius, opal of, 144-146 _Nophek_, stone of breastplate, 292 Nordenskjöld, Baron Nils Adolf Erik, 54 Novaculite, from Arkansas, 364 Nuttall, Mrs. Zelia, 86 O Oberstein, Germany, gem-cutting at, 54, 218, 219 Obsidian, mirror of Dr. Dee, 196 Mexican mirrors of, 204 _Oculus Beli_, 107 _Oculus mundi_, 107 _Odem_, stone of breastplate, 290, 291 Ominous gems, 143-161 Oneirocritica (dream-books), 356 Onyx, 233, 265, 336 gem of Leo, 346 ill-effects neutralized by sard, 107 in breastplate, 276 “Mexican onyx,” 251 of St. Elizabeth’s tomb, 267 ominous quality of, 159 provoked discord, 98 “Tecalco onyx,” 252 Opal, 143-152 black, of New South Wales, 152 Cardanus, 151 fear of the, 21 Hungarian, 145, 146, 148 imitation of, 145 in Scott’s “Anne of Geierstein,” 143 in Shakespeare’s Twelfth Night, 150 natural, figuring serpent, 27 October’s gem, 144 of Nonius, 144-146 _patronus furum_, or patron of thieves, 148 Pliny’s praise of, 145 _Ophiokiolus_, 39 _Ophthalmius_-stone (opal?), 7, 146, 148 _Opsianus_, 39 _Orphanus_-stone (opal?), 146-148 Orthoclase, 50 Otho I of Germany, emerald of, 260 Overbury, Sir Thomas, 155, 156 P _Panchratna_, five-gem jewel, 241 Paracelsus, Philippus Aureolus, 6, 154, 184, 185 Patrick, St., 179 Pausanius, 177 “Peacock stones,” 137 Pearls, 69, 230, 234, 236, 237, 238, 240, 241, 242, 244, 303, 306, 320, 336 breeding, 41 gem of the moon, 348, 349 of Venus, 348 therapeutic effect of, 372 Pellegrinus, Fulvius, 31 Pepper, George H., 92, 112, 113 Pericles, 373 Peridot, see _chrysolite_ Perugia, collection of jade artefacts at, 264 Peter, St., 303, 308 tooth-relic of, set with gems, 256 Petrie, W. M. Flinders, 291, 292 Phaëthon, 55 “Pharaoh’s eggs,” 80 Phenacite, from Colorado, 365 Phenomenal gems, 8, 333, 334 Philip II, of Spain, 263 Philippe Egalité, Duke of Orleans, sapphire of, 106 Philostratus, 244 Phosphorescence, 169-174