1 October 2016
Oct
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By Richard W. Hughes
A short autobiography of Richard Hughes' life in gems and gemology. From the introduction to his 2017 book, Ruby & Sapphire: A Gemologist's Guide.
23 April 2014
Apr
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By Richard Hughes
An essay on how gemology, in focusing solely on analysis, has lost sight of the most important part of a gem – its beauty.
1 January 2013
Jan
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By Thanong Leelawatanasuk, Wilawan Atitchat, Visut Pisutha-Arnond, Pornsawat Wattanakul, Papawarin Ounorn, Wimon Manorotkul & Richard W. Hughes
The history of glass-infilling in blue sapphire, along with a description of the latest treatment generation developed in Chanthaburi, Thailand.
15 June 2013
Jun
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By Richard Hughes
A discussion of the definition of padparadscha sapphire, from early to modern times, along with the difficulty in standardizing such definitions.
1 October 2012
Oct
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By Richard W. Hughes with E. Billie Hughes, Wimon Manorotkul & Dana Schorr
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.