Seeing Red: Ruby

An exploration of the psychology of the color red, and its relationship to ruby.

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Gem Color Types: History and Challenges

A look at the history of gem color types such as "pigeon's blood" and "padparadscha" and the difficulties in standardizing these definitions.

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Jade: China's Gift to the World

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

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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.

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Seeing Red: Ruby

An exploration of the psychology of the color red, and its relationship to ruby.

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Madagascar: Sapphire Isle

A look at the important sapphire producing localities in Madagascar, along with the key gemological features that can help separate them from other sapphire sources.

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

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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.

Read More
Seeing Red: Ruby

An exploration of the psychology of the color red, and its relationship to ruby.

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The Secret World of Ruby & Sapphire

A trip around the world to the major sources of ruby and sapphire, with a particular emphasis on localities that produce the most collectable mineral specimens.

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Dream of the Red Chamber: The Internal World of Ruby

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

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Madagascar: Sapphire Isle

A discussion of the important ruby and sapphire deposits in Madagascar, along with the most important identifying features.

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Sapphire Around the World

A look at sapphire around the world, from the jungles of Sri Lanka and Myanmar, to the lofty heights of Kashmir.

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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.

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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.

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