Provides in-depth information on quality evaluation and the identification of treatments, imitations and synthetic ruby, sapphire & emerald. Includes a detailed appendix with guidelines on determining country of origin and the various types of synthetic corundum and emerald.
STRAIGHT TALK ON BUYING GEMS Written for professionals and serious gem buyers, this book discusses in detail how color, shape, cut, clarity, transparency, treatments and geographic origin affect the value of rubies, sapphires and emeralds. This full-color guide also explains how to document and care for these gems and how to distinguish imitation and synthetic stones from those that are real and natural. Each concept is illustrated with either close-up photos or line drawings.
This 3rd edition has 173 new photos, 16 new tables, two new chapters and expanded chapters on ruby & sapphire treatments and clarity grading. Overall, it updates gem professionals on new jewelry styles, grading systems, treatments and geographic sources of rubies, sapphires and emeralds.
by Renée Newman
ISBN 9780929975412 / 6" x 9" (18 x 23 cm) / 187 pages
280 photos (267 in color) plus diagrams and tables
International Jewelry Publications / $19.95 / Paperback