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展示会レビュー：ムガル帝国から現代へ：メトロポリタン美術館インドの宝石を展示
ニューヨークのメトロポリタン美術館にて展示される、インドとインドにインスピレーションを受けた宝飾品のコレクションを観察します。
图书：《原始邂逅：源自非凡宝石的当代珠宝》 (Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones)
Review of Mimi Lipton's Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones.
On the Origin of Digit Patterns in Gem Opal
An examination of the finger-like feature mostly found in Ethiopian opal, and proposal for its formation.
スリランカ：宝石の島への探検旅行 (英語)
Offers a firsthand look at Sri Lanka’s mining, cutting, jewelry manufacturing, and retail sectors, where tradition and innovation converge.
コロンビアのエメラルド採掘：巨大鉱山は目覚めるか？ (英語)
Overview and commentary on the 2013 The Journal of Gemmology article “Peñas Blancas: An Historic Colombian Emerald Mine."
Flame-Fusion Synthetic Ruby Boule with Flux Synthetic Ruby Overgrowth
This synthetic ruby specimen features two growth methods within the same crystal.
Xenotime Inclusion in Yellow Diamond
Presents what is believed to be the first report of a xenotime inclusion in gem-quality diamond.
Observations on Pearls Reportedly from the Pinnidae Family (Pen Pearls)
Examines the internal structure, chemical composition, and spectroscopic features of 22 pen pearls.
書籍：Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth（ケンタッキー州産アゲート(瑪瑙/めのう)：州指定の岩石および鉱物の財宝） (英語)
Review of Ronald McIntosh and Warren Anderson's Kentucky Agate: State Rock and Mineral Treasure of the Commonwealth.
Aquamarine with Unusually Strong Dichroism
This aquamarine's most striking feature was its unusually strong dichroism, displaying very deep blue and pale bluish green colors.
Books: Ruby & Sapphire:A Collector’s Guide
Review of Richard Hughes’s Ruby & Sapphire: A Collector’s Guide.
Pleochroism in Faceted Gems: An Introduction
Describes the phenomenon of pleochroism and its complex effect on the appearance of colored stones.