Richard W. Hughes • Something of Myself

1 October 2016

A short autobiography of Richard Hughes' life in gems and gemology. From the introduction to his 2017 book, Ruby & Sapphire: A Gemologist's Guide.

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People & Places • New Directions in Gemology • Reconstructive Gemology

23 April 2014

An essay on how gemology, in focusing solely on analysis, has lost sight of the most important part of a gem – its beauty.

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Padparadscha Sapphire from Sri Lanka • A History • Ownership of Words

15 June 2013

A discussion of the definition of padparadscha sapphire, from early to modern times, along with the difficulty in standardizing such definitions.

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Cobalt-Doped Glass-Filled Sapphire • Gem Treatment

1 January 2013

The history of glass-infilling in blue sapphire, along with a description of the latest treatment generation developed in Chanthaburi, Thailand.

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Tibet Andesine Mines • Part 2 • Faith

1 October 2012

The mining of natural red andesine in Tibet has been a subject of controversy. This article describes RWH's second visit to the Tibetan deposit.

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Chinese Jade • Guangzhou Jade Market Puzzle

1 September 2012

An investigation into nephrite and imitation nephrite pebbles purchased in Guangzhou, China's Hualin Street jade market.

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Mike Roberts • Roberts Yogo Sapphire Mine • In Memoriam

21 March 2012

In a tragic underground cave in, Mike Roberts of the Roberts Yogo Sapphire Mine passed away in March 2012.

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