Suggested Reading List:
- Gems & Gemology in Review: Treated Diamonds (2008) Gemological Institute of America, Carlsbad, CA.
- Anderson, Basil W., and James Payne. (1998) The Spectroscope and Gemmology. GemStone Press, Woodstock, VT.
- Anderson, B. W., 1979: Gem Testing. The Butterworth Group, London, 383 p
- Gems: Their Sources, Description and Identification. (2006) 6th ed. Ed. by Michael ODonoghue. Butterworth-Heinemann, Boston.
- Hurlbut, C. & Switzer, G., 1979: Gemology, John Wiley & Sons, Inc. New York, 243 p
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