Learn to identify gemstones in and for jewelry with this must-have guide! Packed with fascinating gemological details and up-to-date information on more than 70 of the most exquisite gemstones, Gemstones is the reference guide you need to identify a variety of gems. Join leading expert Judith Crowe as she shares:    • Accurate information on how to identify gemstones and how the gem trade operates so you can buy with confidence.    • Detailed information on the treatments, imitations, pricing, cuts, sources, and gem appraisals.    • Covers the common pitfalls in identifying stones and clarifies areas of confusion and misidentification.    • Practical gemological information on colored gemstones, diamonds, and organic gems. Plus historical context for those buying and selling antique and vintage gem-set jewelry. Jewelers and designer goldsmiths, lapidaries and gem cutters, stone setters, gemologists, geologists, or anyone interested in gemstones and gem-set jewelry, Gemstones has the information you're looking for.