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Briefel, Mr., 203-10
Briefel and Lemer (diamond
cutters), 203-8 British South Africa Company,
104, 145 Buitfontein diamond field, 29,
44, 90
Chilvers, Hedley A., cited, 94
Churchill, Lord Randolph, 47
Cohen, Mr. (diamond buyer), 52, 68-69, 70-73
Cohen, Louis, 140-41
Colesburg, South Africa, 30-41
Commonwealth Development Finance Company, Limited, 145
Compagnie Frangaise des Mines de Diamant du Cap de Bon Espérance, 91-93
Companhia de Diamantes de Angola, 146
Consolidated Diamond Mines of South West Africa, Limited, 165, 286-89, 291-96
Consolidated Mines Selection Company, 161
Cornell, Lieutenant Fred C, O.B.E., (diamond prospector), 267-83, 285, 290, 292
Cullinan diamond, 50, 110, 127-28
Cullinan, Sir Thomas, 125-27
Custers, Dr. J. F. H., 232-41
De Beer, Diederick Arnoldus, 30 De Beer, Johannes Nicolaas, 30,
31 De Beers Consolidated Mines, Limited, 12, 22, 46, 123-24, 133
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controls prospecting, 50-52
formation of, 93-97
See also Barnato,
Barney; Diamond Trading Company; Kimberley Central Mining Company;
Kimberley Mine; Oppenheimer, Sir Ernest; Premier Mine; Rhodes, Cecil J.
De Beers Mining Company,
Limited, 83, 89, 91-95 Diamonds
chemistry of, 235-41
color in, 76, 209, 234-39
cutting of, 187-93, 198, 200-8, 210-14, 219-21
discoveries of, 17-32, 39-41, 44-45, 267-88, 299-304
grading of, 75-77
illicit diamond trading, 37-39, 88, 106-7, 116-18, 272, 295-96, 300-4
industrial, 77, 224, 230-33,
257 manufactured, 223-32, 241-
47 trading of, 65-73, 77-8°*
169-70, 216-20, 250-51,
254-65 See also Diamond diggers,
Diamond mining Diamond Club (Antwerp),
215-18 Diamond Corporation, 168, 288 Diamond Cutting Company,
187 Diamond Diggers, 22-27, 49-
55, 57-64, 70-74, 273 See also Diamond mining,
open pit Diamond Mines of South Africa,
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