India has a strong tradition of gem cutting, with the total value of exports of gemstones and jewels amounting to nearly 20% of the country’s total exports, much of it consisting of imported raw diamonds cut and set in jewellery, and employing some 500,000 people. Written for the Indian market, this book provides an introduction to the chemical, physical and optical properties of the hundred or so species of minerals used as gemstones, with particular reference to Indian gemstones. Details are also provided of inclusions and other internal features, synthetic stones and gem cutting, before descriptions of the principal gem...

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