Gemology Books Websites:

  • secretsofthegemtrade.com

    Home - Secrets of the Gem Trade

    Secrets of the gem trade; the connoisseur's guide to precious gemstones by Richard W. Wise

  • cigem.ca

    Gemology World – Canadian Institute of Gemmology

    Dedicated to research and advance in education in the field of gemmology. Gemlab Research & Technology. Gemological Books and Instruments. Professional Development.