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Amethyst
The essence of the color purple, amethyst is beautiful enough for crown jewels yet affordable enough for class rings.
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Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry
Characterizes gem-quality amethyst from the La Manche deposit in the Avalon Zone of Newfoundland, Canada.
Hollandite in Amethyst
A spectacular display of hollandite crystals is captured within an amethyst cabochon.
Top 10 Digital Reads from the GIA Library
Making the Cut: The Art and Science of Fantasy Carving
Gem cutters - whether “gem whisperers” or mathematicians - create breathtakingly artistic individual gems and sculptures.
Arizona Road Trips: Wild West Gem and Mineral Localities
Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.
A Tropical Paradise of Ocean-Inspired Jewelry and Gemstones
Escape to a warm-water paradise with these jewels and gemstones that evoke the ocean’s essence.
Trapiche-like Amethyst from Brazil
Gem Virtuosos: The Drehers and Their Extraordinary Carvings
A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.
Jewelry that Speaks the Language of Flowers
A flower is one of nature’s most delicate delights, so it’s natural that jewelry designers have long found inspiration in them, seeking to capture their fleeting beauty in jewelry.
Spring 2015 G&G Examines Blue Spinel, Chinese Jewelry Design and the Latest in Synthetics
G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
Amethyst From Morocco:An Update
GIA’s Bangkok lab investigates the gemological properties of Moroccan amethyst.
Amethyst from Boudi, Morocco
An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.
