Online Gemology and Lapidary Tutorials

Free (or close to it) Gemology classes or tutorials. Please let us know if you find another one.

  1. From
    Specific Gravity
    Specifity Gravity Calculator
    Jadeite Filter
    Weight Conversions and Length Conversions
    Gemstone Critical Angles
    Mineral Library by Family
    Mineral Library by Property
    Refractive Index Chart
    Specific Gravity Chart
    Faceting a Gem
    Mineral Hardness Chart
    Using Refractol
    Mineral Birefringence
    Birthday Gemstones
    Mineral Myths and Meanings
    State Gems and Minerals
    Free PC Mineral Wallpaper

  2. Outside Resources:

    Barbara Smigel's Free Online Course - Barbara is a great teacher (professor really!) and has been generous enough to post the information she uses to teach her gemology course at the College of Southern Nevada online. It can also be taken for credit through their distance education program.

    Gemology Made Easy - This is part of The Gemology Project. Not only offers great tutorials but also interviews with some of the worlds top professionals in gemology.

    Ganoksin - offers free jewelry making, lapidary, and gemology articles

    International Gem Society (IGS) - has some great online tutorials for free and even more for a small yearly membership fee.

    Gemology Online - offers free tutoral sessions on Saturdays with some of the best gemologists in the business. Great references and links.

    Minerology Tutorial - from the University of Texas

    Minerology Tutorial - from the Univeristy of Wisconson

    What is a Gem - from UC Berkeley