• Cover of Gems & Gemology Fall 2019 issue, featuring necklace made with pearls and thick red gems

Fall 2019

  • $15.00
Gemstones in the Era of the Taj Mahal and the Mughals
Dona Mary Dirlam, Chris L. Rogers, and Robert Weldon

Natural-Color Fancy White and Fancy Black Diamonds: Where Color and Clarity Converge
Sally Eaton-Magaña, Troy Ardon, Christopher M. Breeding, and James E. Shigley

Unique Vanadium-Rich Emerald from Malipo, China
Yang Hu and Ren Lu

Mineral Inclusions in Ruby and Sapphire from the Bo Welu Gem Deposit in Chanthaburi, Thailand
Supparat Promwongnan and Chakkaphan Sutthirat

Characteristics of Hydrothermally Treated Beeswax Amber
Yamei Wang, Yan Li, Fen Liu, Fangli Liu, and Quanli Chen

Effects of Mollusk Size on Growth and Color of Cultured Half-Pearls from Phuket, Thailand
Kannika Kanjanachatree, Napapit Limsathapornkul, Amorn Inthonjaroen, and Raymond J. Ritchie

Hydrogen-Rich Green Diamond Color-Treated by Multi-Step Processing
Wenqing Huang, Pei Ni, Ting Shui, and Guanghai Shi

Pressed Gibbsite and Calcite as a Rhodochrosite Imitation
Hanyue Xu and Xiaoyan Yu

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