Identification of Gemstones - Tapa blanda

"Identification of Gemstones" is a comprehensive reference guide to gem and ornamental materials, and outlines all the features a gem tester has to know before making an identification.The experienced author team describe not only each natural gem species, but also their synthetic counterparts, and the materials used as imitations, demonstrating how to avoid costly mistakes.End of chapter summaries, details of further reading, and the companion website combine to provide all the support needed by professional gemmologists, antique and gemstone dealers, jewellers and students.

Michael O'Donoghue is a Director of the Gemmological Association. He was Curator of Earth Sciences at The British Library until 1991 and is Lecturer in Gemmology at London Guildhall University. He has worked on and with minerals for nearly 30 years, specializing in gem minerals. He has written many books on gemmology. Louise Joyner has a background in geology and is a Fellow of the Gemmological Society. She currently works at the Department of Scientific Research at the British Museum.