Thoughts on the Chinese and Japanese Gem Markets

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Appendix 1: Comparison of LA-ICP-MS and EPMA Data, Part 1

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Investigations into Corundum and Beryl Color, Jade Artistry, the Chivor Emerald Mine’s History, and Swiss Rhodonite…

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Preview of Nature Art Science with Paula Crevoshay

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Unheated and Unusual Colors

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Update on the Green Dragon Demantoid Mine in Namibia

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Natural Blister From Entombment Of A Pearlfish Within A Pinctada Maxima Shell

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Derek Katzenbach: Faceter, Gem Artist, Custom Jeweler

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Appendix 2: Comparison of LA-ICP-MS and EPMA Data, Part 2

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Appendix 3: Calculation Method for Tourmaline Species Classification Used Here

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Appendix 4: Guideline for Simplified Distribution of Site Occupancy for LA-ICP-MS Data

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Appendix 5: Simplified Tourmaline Species Classification for LA-ICP-MS Data

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Gemstone Carving in China: Winds of Change

Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.

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The Evolution of Chinese Jade Carving Craftsmanship

Explores the art form of jade carving in China across five periods from the late Neolithic Age to the present day.

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Jadeite Bangle with the Appearance of Polymer Treatment

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Heliodor and Aquamarine with Surface Etching

Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.

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A New Gem Material from Greenland: Iridescent Orthoamphibole

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A Gem-Quality Iridescent Orthoamphibole from Wyoming

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Update on Ammolite Production from Southern Alberta, Canada

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Ammolite: Iridescent Fossilized Ammonite from Southern Alberta, Canada

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