Thirty Years Later: “The Royal Tapestry” Revisited

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Unique Sphalerite from Spain

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Precious Opal from Pedro II, Brazil

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Historical Relics Repurposed into Jewelry

Several jewelry designs incorporated historical artifacts at the Tucson gem shows.

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Tucson 2024 Overview

An overview of the 2024 Tucson gem shows.

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“Ice Jade” from Guatemala

Characterizes a translucent variety of jadeite jade from the Morales mine in Guatemala.

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Beyond Beauty: A Garnet Necklace Decoded

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Nanoscale Techniques for Characterizing Gemstone Coatings: A Case Study on Synthetic Moissanite

Provides a basis for analyzing colored coatings on a variety of polished gemstones.

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Mineralogy and Geochemistry of Turquoise from Tianhu East, Xinjiang, China

Examines turquoise from northern China and identifies a geographic origin indicator to distinguish it from other Chinese sources.

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Morganite from Blue Star Gems

An extraordinary 236.27 ct morganite from Madagascar stands out at the GJX show.

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Rainbow Rays in Rainbow Lattice Sunstone

Colorful rays of light are observed in an Australian rainbow lattice sunstone.

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Quarterly Crystal: Diamond in Diamond

Examination of a South African diamond reveals an eye-visible diamond inclusion.

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