A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public

by Frank Bertram Wade

• Absorption, [15]
• Adamantine luster, [40], [41]
• Agate, [128], [138], [172], [197]
• Alexandrite, [140]
• Almandite (see [Garnet])
• Altered stones, [247-249], [250-257]
• Amazonite, [176]
• Amethyst, [94], [170], [195], [196]
• Aquamarine, [143], [189]
• Azurite, [132], [148], [177], [199]

• Balances, Care and use of, [283-293]
• Beryl, [84], [143], [190]
• Bibliography, [301]
• Bloodstone, [172]
• Blue diamonds, [91]
• Blue-white diamonds, [91]
• Brazilian diamonds, [182]
• Brilliancy, [203]
• Brilliant cut stones, [233]
• Brilliant, Theory of the, [205]
• Brittleness of gems, [119]
• Brown stones, [95]
• Bubbles in gems, [103]
• Bubbles in glass, [81]
• Bubbles in scientific stones, [103]
• Burmah rubies, [154]

• Cabochons, [45], [216], [227]
• Carbon, [136]
• Carborundum, [54], [55], [56]
• Carnelian, [128], [138], [172]
• Cat's-eye, [44-46], [138], [171]
• Chalcedony, [138]
• Chrysoberyl, [45], [85], [122], [140], [157], [188]
• Chrysoberyl cat's-eye, [45], [46], [85], [188]
• Chrysolite, [176]
• "Cinnamon stone," [144]
• Citrine quartz, [161], [171], [195], [196]
• Cleaving of diamonds, [208]
• Cleaving of precious stones, [213]
• Color, cause of, in minerals, [15]
• Color of gems, [66-92]
• Colorless stones, [97]
• Corundum gems, [68-70], [73], [101], [121], [134], [137]
• Corundum gems, defects of, [101]
• Cultured pearls, [277-279]
• Cutting of diamonds, [209]
• Cutting of precious stones, [201-226]

• Demantoid garnet, [62], [64], [82], [130], [144], [169], [193]
• Density of minerals, [23]
• Diamonds, [61], [73], [91], [120], [134], [151-153], [179-186]
• Dichroism, [15-22], [113]
• Dichroscope, the, [17-20]
• Dispersion, [60-65]
• Double refraction, [5]
• Doublets, [41], [241-246]

• Emerald, [75-82], [143], [164], [189]
• Emerald, wearing qualities of, [109]
• Epidote, [9]
• Extraordinary ray, [16]

• Fancy diamonds, [91], [151]
• "Fire," cause of, [207]
• Forms of precious stones, [227-236]

• Garnet, [69], [82], [96], [130], [143], [144], [167-170], [192-194]
• Garnet, Almandite, [143], [168], [193]
• Garnet, Andradite, [82], [130], [144], [169], [193]
• Garnet, Demantoid, [62], [64], [82], [130], [144], [169], [193]
• Garnet, Pyrope, [144], [168], [192], [193]
• Glass, [62], [142]
• Glass imitations, [81], [237-249]
• "Golcondas," [180]
• "Grain base," price of pearls per, [271]

• Hardness, [47-54], [55-59], [113]
• Hardness and wearing qualities, [119-132]
• Hardness, Mohs's scale of, [48-51]
• Hardness, table of, [54]
• Hardness, test of, [51-54], [58]
• "Heliodor," [165]
• "Hope Blue" diamond, [91]
• Hyacinth, [166]