Iridescent Gems Cut from Hinge Ligament of South Sea Pearl Oyster (Pinctada maxima)
GIA 7 Pearl Value Factors: An Update on Nacre Classification
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.
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.
Gem Granitic Pegmatites
Describes the geology, mineralogy, and formation of granitic-composition pegmatites and provides a summary of their worldwide occurrences.
CVD-Grown Diamond with an Unusual Blue Band
Checkered Pattern on Diamond
Assembled Bead Cultured Half-Pearl
Investigation in the Carlsbad laboratory reveals a pearl submission is not mabe as initially believed.
Wearable Art Jewelry Supporting Families in Guatemala
Quarterly Crystal: Fluorite in Quartz from China
Lepidolite in Copper-Bearing Tourmaline
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