透析摩谷的宝石市场和切磨行业。

Vincent Pardieu（GIA 宝石宝石学资深经理）和 Andrew Lucas（宝石学教育部经理）分享了关于如何完成宝石学实地考察的经验。

Fossilized gastropod shells, trademarked for use in jewelry, are exhibited at the 2014 Tucson gem shows.

Stunning examples of gem cutting and design from the GJX Show in Tucson, Arizona.

Red beryl, mined from Utah and displayed in both loose form and in suites of jewelry, were seen at the AGTA show in Tucson.

Cultured pearl market update from the 2014 gem shows in Tucson, Arizona.

For the first time, GIA's laboratory has examined tanzanite color-coated with titanium.

Overview and commentary on the 2013 Journal of Gemmology article “Synthetic alexandrites grown by the HOC method in Russia: Internal features related to the growth technique and colorimetric investigation.”

Review of Wonders within Gemstones II, by Anthony de Goutiere.

A review of Jewels by JAR

Updates on the corundum, paraíba tourmaline, and alexandrite markets from the 2014 gem shows in Tucson, Arizona.

Fine unheated tanzanite, untreated yellow sapphire, and heated pink zircon on display at GJX in Tucson.

Deep blue fluorescence in a CVD synthetic diamond mimic patterns found in natural specimens.

Advances in CVD growth technology have resulted in crystals that yield well-proportioned round brilliant cuts.

An overview of the 2014 gem shows in Tucson, Arizona.

A review of the new edition of Gem Identification Made Easy by Antoinette Matlins.

Review of Walter Schumann's Gemstones of the World.

A study of the nacre and the cavity of a large Pinctada maxima cultured pearl yields a theory on the specimen’s formation.

Documents a series of visits to Myanmar in search of exceptionally bright pinkish red spinels possessing no dark tones.

Presents the gemological and spectroscopic properties of a suite of synthetic diamonds grown by AOTC using high pressure and high temperature.