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    210 Post St. Suite 312 San Francisco, CA  94108   -   9am to 5pm   -   sheahan@sssapphires.com   -   Tel: 503-805-6832

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         (c) 2018  Sheahan Stephen Sapphires

    LECTURES 2018

    AGS Conclave 2018
    Nashville, TN
    April 23-25, 2018

    Sheahan Stephen - Content Speaker

    Gemstone Quantification in a Fluid Market

    Tuesday, 2018-04-24

    10:15 - 11:15

     Room: Cumberland 3

    LECTURES 2017

    Gallery of Jewels lecture March 17th, 2017

    Union Square

    427 Post St.
    San Francisco, CA 94102

    GIA

    San Francisco Chapter

    TBD 2017  

    Sheahan Stephen - Content Speaker

    Sri Lanka Geuda Sapphire and Thermal Treatment

    AGS Conclave 2017

    TBD March 2017 

    Los Angeles, CA

    Sheahan Stephen - Content Speaker

    Sri Lanka Geuda Sapphire and Thermal Treatment

    San Francisco Gem & Mineral Society

    July 1, 2017 @ 6pm 

    Sheahan Stephen - Content Speaker