Chrysocolla In Quartz
A gemological examination of chrysocolla in quartz from Tucson’s AGTA show.
Color-Change Garnets from Tanzania
Striking Tanzanian garnets showing color shifting at the Riverpark Inn (Pueblo) show in Tucson.
Cultured Pearl Market Update
An up-close look at the cultured pearl’s role in the gem and jewelry industry.
Dumortierite in Rock Crystal Quartz
Prismatic blue and colorless dumortierite inclusions in rock crystal quartz are examined for the first time in the Carlsbad lab.
Exceptional Red Spinels and Fine Aquamarine
Beautifully cut spinel and aquamarine was among the finds at Tucson’s GJX show.
Fine Corundum, Demantoid Garnet
Insight into the markets for ruby, sapphire, emerald, and other colored gems.
Fine Tsavorite and Spinel
Exceptional stones are recirculated and new production is showcased at the AGTA show in Tucson.
Gemstones and Jewelry Inspired By Nature
At AGTA, exquisite jewelry pieces inspired by natural scenes were on view.
Ginger Garnet, “Fancy” Tanzanite
Garnets and a wide variety of tanzanite at the Tucson gem shows.
High-End Colored Gems
A unique assortment of colored gemstones as seen at the GJX show in Tucson.
Amethyst From Morocco:An Update
GIA’s Bangkok lab investigates the gemological properties of Moroccan amethyst.
New Production of Brazilian Emerald from Minas Gerais
Emerald from the Belmont and Montebello mines of Minas Gerais, Brazil seen at the GJX show in Tucson.
Chinese Freshwater Pearl Culturing, Overall Market Summary
A review of Chinese freshwater cultured pearl production, with an update on the market for Tahitian, South Sea, and akoya cultured pearls.
Iridescent Scapolite
Jadeite With High Albite Content
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