GEMS A Comprehensive guide to gems

GEMS their Sourses, descriptions and identification, by Robert Webster is a classic, essential reference work in gemmology.
Complete with Dust cover

Description: A definitive, comprehensive guide to gem materials and gemmology. Originally authored by renowned gemmologist Robert Webster, this 3rd edition covers natural and synthetic gemstones, organic gem materials, optical properties, testing techniques, and identification methods. Richly illustrated with monochrome photographs, color plates, diagrams, and physical data tables. An indispensable standard reference for jewelers, appraisers, gemmologists, and collectors.

Publisher: Newnes / Butterworths, London Publication Date: 1975
Format: Hardcover (typically 931+ pages)
ISBN-10 / ISBN-13: 0408705736 / 978-0408705738

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