OPL: A Students' Guide to Spectroscopy
A student's friendly approach to OPL spectroscopes with detailed descriptions, photo's, diagrams, practical examples and a touch of theory. A Students' Guide emphasis is on the practical skills using the spectroscope to perform routine gem identifications. Included are full color examples of spectra and a comprehensive glossary for reference. Colin H. Winter, 2nd edition, published July 2014, 85pp, softcover.
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