Analysis of attractive purple garnets from a new deposit in central Mozambique.

Reports on an expedition to many known and new Tanzanian gem localities.

Analyzes the gemological and geochemical characteristics of peridot from the Gia Lai province alongside specimens from other localities to gain insight into its formation.

A spinel from Madagascar, mixed in with a parcel of blue sapphire, exhibited an array of internal features.

Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.

Reports on exceptionally rare trapiche-patterned rhodochrosite from the famed Capillitas mine in Argentina.

Examination of pearls with a dominant purple hue, reportedly from the Spondylus calcifer mollusk.

Reports on the internal features and spectroscopic and trace-element analysis of rubies reportedly from Pokot, Kenya.

Explores statistical data and defining characteristics of gem-quality CVD synthetic diamonds examined by GIA since 2003.

Testing of natural-color yellow sapphires from Australia and Thailand with the FTIR features of “Punsiri” heat-treated material.

Documents the retrieval and testing of P. maxima cultured pearls from a Lombok hatchery.

内容摘要详见《宝石与宝石学》(Gems & Gemology) 2016 年秋季刊。

Review of Stoned: Jewelry, Obsession, and How Desire Shapes the World by Aja Raden

Review of Gems & Crystals: From One of the World’s Great Collections, by George E. Harlow and Anna S. Sofianides.

Review of Jewelry by Suzanne Belperron: My Style is My Signature by Patricia Corbett, Ward Landrigan, and Nico Landrigan.

您已经听说过钻石品质的 4C 标准（颜色、净度、切工、克拉重量）。 但是它们是怎样变得如此知名的呢？一起来简要了解钻石的历史吧。