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Substance • The Lotus Gemology Published Oeuvre
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Hits: 17552
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Spinel Inclusions • An Exercise in Aesthetics
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by E. Billie Hughes, John I. Koivula, Wimon Manorotkul, Nathan Renfro and Richard W. Hughes |
Hits: 757
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Gem Testing Labs • Tips on Choosing a Colored Gem Testing Lab • Lotus Gemology
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by Richard W. Hughes |
Hits: 54
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Laos – Land of a Million Elephants... & Sapphires
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by Richard W. Hughes, Auslan Ishmael, Flavie Isatelle & Peter Wang |
Hits: 816
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Colored Stone Grading • A Heretic's Guide
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by Richard W. Hughes, with E. Billie Hughes & Wimon Manorotkul |
Hits: 4393
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Six-Rayed Star in Sapphire from Myanmar
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by E. Billie Hughes |
Hits: 2478
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Squeezing Sapphire • Corundums treated with high temperatures and low pressure (HT+P)
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by [see below for authors] |
Hits: 5665
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Mogok Ruby With Remarkable Twinned Calcite Inclusion
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by E. Billie Hughes |
Hits: 3711
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Sapphire With Growth Tube Cluster
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by E. Billie Hughes |
Hits: 3602
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Oiled Ruby: A Remarkable Visual
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by E. Billie Hughes |
Hits: 3839
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