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Q
Quartz-Aventurine, 150
------· Amethystine, 98
------Balls, 237
------Chalcedonic, 176
------Citrine, 216
------Crypto-crystalline, 176
------Crystallised, 177
------Obscurely crystallised,
176 ------Red, 133
Β
Radescent, 159 Radium, 158 Reconstructed rubies, 38,
218 Reconstructed sapphires,
222 Reconstructions, 209 Red dirt, 155 Refraction, 298, 299 Regent (Pitt) Diamond, 58,
60 Rhodolite, 111 Rock Crystal, 133 Romansovite, 113 Röntgen (X-) rays, 158, 300 Rubellite, 154, 161 Rubies, 79-83
------Cape, 88, 112, 114
------False, 188
------Montana, 88, 114
------Oriental, 79, 80, 81, 83
------Reconstructed, 88, 218
------Scientific, 88, 218
------Siberian, 88
------value of, 85
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Ruby mines of Siam, 87 Rutile, 192
S
Sapphire, 91
------Asteriated, 94
------Brazilian, 125
------Indigo, 93
------Leuco-, 92
------Lynx, 93
------Oriental, 91
------Scientific, 222
------Star, 94
------Water, 93, 189
------White, 92
Sapphire mines of Siam,
199 Saprolite, 111 Sard, 181 Sardonyx, 181 Satin spar, 192 Saussurite, 143 Scapolite, 189 Scientific rubies, 88, 218
------sapphires, 222
Schneckenstein topaz mines,
126 Scoop Stone, 172 Sea Amber, 170 Sea Stone, 170 Selenite, 148 Semi-precious stones, 183
------Classified, 9-10
Shaking table, 38 Skaifs, 44
Slaves' diamonds, 125 Soldier's Stone, 96 Sorting tables, 37, 38
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