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AUTHORITIES.
TREETER, E. A., “Great Diamonds of the World,” London, 1882; Hamlin, A. C., “Leisure Hours among the Gems,” Boston, 1884; Barrera, Mme. de, “Gems and Jewels,” London, 1860; Jones, William, “History and Mystery of Precious Stones,” London, 1880; King, C. W., “Natural History of Precious Stones,” London, 1867; Enault, L., “Les Diamants de la Couronne,” Paris, 1884; Jacobs, H., and Chatrian, N., “Le Diamant,” Paris, 1884.
