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Ruby

Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.

Ruby
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Research

Sea Urchin–Like 3D Radial Fissures in a Heated Mong Hsu Ruby

Examination of a 1.34 ct ruby reveals a unique inclusion formed during heat treatment.

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Evil Eye in a Flux-Healed Mong Hsu Ruby

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Devitrified Glass “Pom-Poms” in Ruby

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The 3309 cm–1 Series in Sapphire and Ruby: A Focus on FTIR Peak Position Variation

Investigates the correlations between peak positions in the 3309 cm–1 series with trace element concentrations for ruby, metamorphic and basalt-related blue sapphire, and laboratory-grown sapphire.

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Ruby with Synthetic Overgrowth Lining Cavities

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Arzakite Inclusion in Ruby from Mogok

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Natural-Looking Inclusions in a Ramaura Synthetic Ruby

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Update on Inclusion Scenes in Mozambican Rubies

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Rose Channels in Ruby

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Update on Liberian Ruby

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Translucent Ruby Filled with Zinc Glass

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Liberian Ruby

A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.

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