宝石大师：Dreher（德雷尔）家族及其非凡的雕刻造诣 (英语)
A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.
Katzenbach Designs 在两年内荣获两项 AGTA 奖
Designer specializes in Maine tourmaline, precision faceting, fantasy-cut gemstones and custom-designed jewelry.
澳大利亚东部的 Akoya 珍珠养殖业 (英语)
Characterizes the akoya cultured pearls produced on the eastern shoreline of Australia using native Pinctada imbricate fucata mollusks.
Real-Time Microradiography of Pearls: A Comparison Between Detectors
Compares the image quality provided by real-time microradiographic imaging (RTX) units fitted with two different detectors: an image intensifier (II) and a flat panel detector (FPD).
Complex Yellow Fluid Inclusions in Red Burmese Spinel
A unique inclusion in red spinel is indicative of a Burmese origin.
Synthetic Moissanite Imitating Rough Diamond
A light green specimen, submitted as a rough diamond, is actually a synthetic moissanite.
New Phenomenal Feldspar from North Carolina with Iridescent Inclusions
A deposit in North Carolina yields potassium feldspar with a phenomenon similar to Australian rainbow lattice sunstone.
New Azurite-Malachite Mixture from Peru
A Peruvian source yields a new azurite-malachite mixture.
Accurate Reporting of Key Trace Elements in Ruby and Sapphire Using Matrix-Matched Standards
Presents a group of corundum standards developed by GIA to improve the accuracy and efficiency of its laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) instruments.
The Very Deep Origin of the World’s Biggest Diamonds
Explores an exceptional family of diamonds, referred to as “CLIPPIR” (Cullinan-like, Large, Inclusion-Poor, Pure, Irregular, and Resorbed), that formed in a superdeep environment.