lectures

  • Gemological Heresies

    • City: Bangkok
    • Date: 06-29-2011
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: Colombo
    • Date: 12-17-2017
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: Taipei
    • Date: 08-16-2015
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: Washington, DC
    • Date: 08-14-2018
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: Arusha, Tanzania
    • Date: 04-22-2015
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: London
    • Date: 11-02-2014
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies

    • City: Adelaide, Australia
    • Date: 07-27-2014
    Gemological Heresies

    As with any field, gemology is littered with dogma. In this presentation, Richard Hughes slays more than a few of these sacred gemological cows.

  • Gemological Heresies Part 2

    • City: Bangkok
    • Date: 09-24-2014
    Lecture • Gemological Heresies Part 2 • Bangkok • 24 September 2014

    As with any field, gemology is littered with dogma. In Part 2, Richard Hughes to slay sacred gemological cows.

  • Gems & Gemology Lectures

    Gems & Gemology Lectures from Lotus Gemology

    Lotus Gemology's gemologists have lectured extensively about a wide variety of gemological topics including ruby, sapphire, jade, and more.

  • Humanistic Gemology

    • City: Tucson
    • Date: 02-03-2010
    Betwixt Two Worlds: A Search for Gemology in the 21st Century

    Traditional gemology considers itself a science, but typically omits a key element of the scientific method. And is gemology simply a science, or something more…

  • Jade | China's Gift to the World

    • City: Shanghai
    • Date: 12-01-2018
    Jade: China's Gift to the World

    Richard Hughes examines the historical sources of jade, along with the remarkable renaissance in Chinese jade carving that has occured since the 1990s.

  • Ruby & Sapphire — A Collector's Guide

    • City: Hong Kong
    • Date: 09-18-2014
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Bangkok
    • Date: 02-26-2014
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Changchun, China
    • Date: 12-15-2018
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Taipei
    • Date: 08-14-2015
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Hualien, Taiwan, China
    • Date: 12-04-2015
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Shanghai
    • Date: 12-15-2016
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Hong Kong
    • Date: 09-17-2016
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Tucson
    • Date: 02-06-2014
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby & Sapphire | A Collector's Guide

    • City: Adelaide, Australia
    • Date: 07-26-2014
    Ruby & Sapphire: A Collector's Guide

    A lecture on the trading and grading of ruby and sapphire, with an emphasis on the fine points of what collectors should look for.

  • Ruby Inclusions

    • City: Yangon, Myanmar
    • Date: 01-11-2018
    Lecture • Ruby Inclusions • Yangon, Myanmar • 11 January 2018

    A description of the inclusions found in ruby around the world, including Myanmar, Thailand/Cambodia, Vietnam, Tajikistan, Madagascar and Mozambique.

  • Ruby Inclusions

    • City: Hong Kong
    • Date: 09-18-2014
    Lecture • Ruby Inclusions • Hong Kong • 18 September 2014

    A description of the inclusions found in ruby around the world, including Myanmar, Thailand/Cambodia, Vietnam, Tajikistan, Madagascar and Mozambique.

  • Ten Thoughts on Gemology

    • City: Chiang Mai
    • Date: 12-09-2014
    10 Thoughts on Gemology

    Ten lessons on gemology and life.

  • Ten Thoughts on Gemology

    • City: Tucson
    • Date: 02-03-2016
    Ten Thoughts on Gemology

    Ten lessons on gemology and life.