Imitation Seed Pearl with Blue X-Ray Fluorescence

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The Science of Phenomenal Gems, a Summary of Pegmatites, and a Cutter’s Remarkable Journey

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Structures Behind the Spectacle: A Review of Optical Effects in Phenomenal Gemstones and Their Underlying Nanotextures

Provides a comprehensive summary of the special optical effects in gemstones, including opalescence, chatoyancy, asterism, schiller, and iridescence, and investigates the submicron inclusions and nanotextures in each type of phenomenal stone.

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Gem Granitic Pegmatites

Describes the geology, mineralogy, and formation of granitic-composition pegmatites and provides a summary of their worldwide occurrences.

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Ben Kho: From Rough Beginnings to Brilliant Mastery

Profiles the extraordinary life and work of Ben Kho, from a young entrepreneur in Cambodia to an award-winning gem cutter.

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Kyanite in Quartz

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“Hummingbird” in Orangy Yellow Diamond

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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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Dendritic Patterns in Emerald

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Copper in Indonesian Chalcedony

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Aquamarine with Fluorite Inclusions

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