“Piers the Plowman,” curative gems in, 386 Pisces, zodiacal sign, 345 _Piṭdah_, stone of breastplate, 291 Planetary gems, 244, 338-363 controls of, in Lapidario of Alfonso X, 348 of various planets, 348-351 Planets figured on engraved gems, 355, 356 Plasma, green, 252 Plato, 93 Pleiades, 343 Pliny, 13, 66, 67, 80, 92, 100, 108, 128, 143, 162, 167, 290, 291, 293, 296, 367, 380 Plutarch, 30, 373 Porphyry, 38 Porta, Giovanni Battista, 335 Portland, Oregon, Exposition, vi Poujet fils, 316 “Prase” of Alexander, 68 Precious stones, as adornment of goddess Sri, 239 as eyes of idols, 167, 240 as offerings to Hindu gods, 240, 241 as symbols of the Apostles, 311-314 as symbols of various countries, 363, 364 collected by birds, 21 by seals, 22 consecration of, 45 disease in, 5 for hours of the day, 337 for natal months, 326-331 for week days, 332-335 for wedding anniversaries, 337 individuality of, 26 in high-priest’s breastplate, 235-306 life in, 5 magical virtue of, 5-8, 44, 45 meaning of, seen in dreams, 356-358 names of, used as adjectives, 12, 13 used by Shelley, 13 used in typography, 12 of Mohammedan heavens, 349 perfume of, 376 principal, found in various States of the Union, 364-366 religious use of, 235-274 sex of, 40, 41, 42 symbolizing initials of names 47-50 therapeutic effect of, 367-391 to express acrostics, 359 worn by Chinese mandarins to designate rank, 256 Prehnite, 365 Preston, Richard, curative sapphire of, 387, 388 Price, Prof. Ira Maurice, 233 Procopius, 283 Psellus, 381 Ptolemy II, Philadelphus, 67, 93 Pueblo Bonito, relics from, 81, 92, 112, 113 Pueblo Indians, 81, 92, 112 _Punamu_, New Zealand jade, 87-90, 254 Puranas, 236, 241 Pyrites, Aztec mirrors of, 99 “fools’ gold,” 99 Pyrope, 34 Q Quartz, 122, 145, 298 cat’s-eye, 334 “Questions of King Melinda,” extract from, 235 R Rabanus Maurus, 305, 314 Rabelais, 349 Radium, 381 Raleigh, Sir Walter, 383 Raziel, Book of, 132 Read, Sir Charles Hercules, vii Red, Christian symbolism of, 273 gems in dreams, 357 in occult ritual, 336 significance of, 30 stones, therapeutic effect of, 370 worn in Siam for Sunday, 335 Sea, chrysolites from island in, 66 Reinach, Dr. Salomon, vii Rémusat, Abel, 300 Reuben, 289, 291 Revelation, book of, 236, 275, 295, 302, 303, 304, 307, 310, 311, 318 Rhodolite, from North Carolina, 365 Rhodonite, gem of Russia, 364 Ridgeley, Prof. W., 203 Rig Veda, of seven ratnas, 243 Ring of _elmêshu_-stone, 231 engagement, combining all favorable influences, 362 Gyges, 7 St. Elizabeth, 165 St. Valentine, 257 Rings set with scarabs, 119 seven, of Apollonius of Tyana, 244 with initials, 359