Contents in this book include the history and development of spectroscopy; a discussion of the nature of absorption spectra and the absorption spectra of solids and gem minerals; the many uses of the spectroscope and the spectrophotometer, light sources and the causes of colour; absorption in synthetic gemstones; and more. Written for gemologists everywhere and incorporating the latest developments, this is an indispensable textbook for professional and amateur gemologists and students of gemology.



