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Coloured Diamonds (2nd Hand) Microscopes Great pictures for catalogsBy Stephen C. Hofer Hidden within the geological formations of our planet are some of the most unique and beautiful expressions of nature: fancy coloured diamonds. For centuries, these mysterious, exotic, and rare gemstones have been admired by connoisseurs, analyzed by gemologists, and coveted by collectors. Collecting and Classifying Coloured Diamonds, provides a detailed and handsomely illustrated account of these unusual gemstones. Using the