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Balas ruby, 90
Beau Sancy Diamond, 240
Benitoite, 186
Beryl, 63
Beryllium, 131
Biblical references to gems,
231
Bibliography, 307 Birth-stones, 234, 303-306 Bishop's Stone, 96 Bizel
(Bezel), 201 Bloodstone, 189 Bottle Stone, 191 Braganza Diamond, 125
Brazilian emerald, 161
------sapphire, 125
Breastplate of Jewish High
Priest, 329 Bronzite, 134 Bruting, 207
Burma's ruby mines, 86, 87 Byon, 87 Byssolite, 134 Byssus, 76
C
Cabochon (en cabochon) or convex cut, 200, 204
Cacholong, 116
Cairngorm, 187
Calcite, 180
------granular, 189
Callaica, Callaina, Callais, Callaite, 127
Cameo, 179
Cameo-engraving, 179
Cape Time, the, 256
Carat, denned, 301, 303
Carbonado, 23, 24
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Carbonate of copper, 186
------of lime, 74
Carbuncle, 84, 109
Carnelian, 187
Carnelionyx, 180
Cat-sapphire, 93
Cat's-eye, 131
------Ceylonese, 131
------Oriental, 131
------quartz, 135
Chalcedony, 173, 178
Chalcedony Park, 138
Chalcedonyx, 179
Chalchihuitl, 127
Chalcinea, 144
Chatoyancy, 131
Chinatowns, 146
Chloro-melanite, 143
Chlorophane, 188
Chondronite, 187
Chromic iron, 188
Chrysoberyl, 70, 131, 132, 151
Chrysoberyl, Cloudy, 133
Chrysocolla, 71
Chrysolite, 151, 161
Chrysolite, Oriental, 151
Chrysoprase, 138
Cinnamon Stone, 113
Classification of diamonds by buyers for the London Syndicate, 41, 42
------by sorters in South AfÂrica, 39, 40
Classification of gems, by author, 7
------by Bauer, 16-19
------by Kluge, 12-16
------by Streeter, 10-11
Cobra Stone, 188
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