- Natural-Color Pink, Purple, Red, and Brown Diamonds: Band of Many Colors by Sally Eaton-MagaÒa, Troy Ardon, Karen V. Smit, Christopher M. Breeding, and James E. Shigley
- The History and Reconstruction of the Amber Room by Russell Shor
- Corundum with Spinel Corona from The Tan Huong-Truc Lau Area in Northern Vietnam by Nguyen Ngoc Khoi, Christoph A. Hauzenberger, Chakkaphan Sutthirat, Duong Anh Tuan, Tobias H‰ger, and Nguyen Van Nam
- The Color Origin of Gem Diaspore: Correlation to Corundum by Che Shen and Ren Lu
- The Gemological Characteristics of Pipi Pearls Reportedly from Pinctada maculate by Nanthaporn Nilpetploy, Kwanreun Lawanwong, and Promlikit Kessrapong
- Inclusions in Natural, Synthetic, and Treated Diamond by Nathan D. Renfro, John I. Koivula, Jonathan Muyal, Shane F. McClure, Kevin Schumacher, and James E. Shigley
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