◂ BACK TO GEM ENCYCLOPEDIA
Emerald
Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
See Gem As
Tools
Research
Tucson: A Showcase of Colored Gemstone Innovation
An overview of the Spring 2016 Gems & Gemology content.
Emerald/Emerald Doublet
An unusual doublet consisting of two sections of natural emerald is examined the Tokyo lab.
Afghan Emerald, Tajik Ruby, and Clarity-Enhanced Tourmaline
Updates on Afghan and Tajik materials, as well as treatment options to improve the clarity of various types of tourmaline.Updates on Afghan and Tajik materials, as well as treatment options to improve the clarity of various types of tourmaline.
Rare Emerald from China and Pink Sapphire from Sri Lanka
An emerald from a largely unexplored Chinese deposit is seen at Tucson, along with a pink sapphire recut after removal from a necklace.
Jewelers to the Maharajas of Jaipur and Modern-Day Moguls
Enter a world not well-known in the West—the world of the maharajas and their jewelry, coveted by the modern-day moguls of business, entertainment, and royalty. See the fantastic works of art made today in the form of enameled Kundan meena jewelry and the regal look of polki diamonds.
Jaipur, India: The Emerald Cutting and Trading Powerhouse
Jaipur, India, is a leading emerald cutting and trading center for the global gem and jewelry industry. See inside the industry with a GIA field team, and learn the intricacies of a business seldom seen by the public or most members of the industry.
Garnets, Sapphires, Opals, and Tarnish on High-Purity Gold
An overview of the Winter 2015 Gems & Gemology content.
Large Star Emerald
An emerald reportedly from Madagascar is cut to show asterism, a rare phenomenon in this material.
Colombian Trapiche Emeralds: Recent Advances in Understanding Their Formation
Proposes a model for trapiche emerald formation based on petrographic, spectroscopic, and chemical examination.
Trapiche and More...
Colombia’s unique trapiche emeralds exert a fascination for many gemologists.
On the Trail of Africa’s Hidden Gems with GIA’s Field Gemologists
Visit gem mining areas in Madagascar, Kenya, Tanzania, Zambia and Mozambique with GIA’s field gemologists.
