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9780971537125
Written and edited by some of the foremost scientists working in the field today, extraLapis No. 3 covers the mineralogy, phenomena, color and history of tourmaline as well as the latest research and recent discoveries.Neumeier, Gunther is the author of 'extraLapis English No. 3: Tourmaline A Gemstone Spectrum', published 2002 under ISBN 9780971537125 and ISBN 0971537127.
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