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Emerald
Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
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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.
Gem-TV in China: Overview and a Shanghai Case Study
A successful Shanghai supplier for China’s Gem-TV shares his experiences with the home-shopping network. The article also discusses Gem-TV’s operation and the nature and potential growth of its customer base.
An Unusual Doublet Set in Fine Jewelry
An oval-shaped faceted stone resembling an emerald proved to be a doublet with a beryl top and a topaz bottom.
Gemfields Bets on Gemstone Market’s Growth
A large scale gemstone mining company seeks to change the way the world acquires and sells fine gemstones.
A Visit to the Kagem Open-pit Emerald Mine in Zambia
Join GIA on location at the Kagem emerald mine in Zambia and get an overview of what may be the largest emerald mine in the world. It’s an operation that is helping to revolutionize the colored gemstone industry.
Colombian Emerald Mining:Will the Giant Awaken?
Overview and commentary on the 2013 The Journal of Gemmology article “Peñas Blancas: An Historic Colombian Emerald Mine."
Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element analysis, in determining geographic origin.
Searching for Emeralds in Afghanistan
GIA field gemologists are a different breed. When Andy Lucas, GIA manager of Field Gemology in Carlsbad, decided to take some vacation time, he didn’t make for the usual destinations. No beaches, ski resorts, or cosmopolitan cities. Lucas instead headed off to Afghanistan, lured by deposits of fine emeralds.
Video Feature: Emerald Sources of Brazil
Video compilation explores Brazil’s most important emerald deposits, as well as the country’s mining practices and laws.
Agates from Morocco: Gemological Characteristics and Proposed Origin
A report on the chemical and mineralogical analysis of samples’ solid inclusions.
Unveiling the Cat’s-Eye Effect in a 75 ct Colombian Emerald Pair
This article examines the mysteries of rough emerald cutting through a spectacular pair of cat's-eye emeralds from Colombia.
Rare Double-Trapiche Emerald
At the AGTA show, Equatorian Imports showed this contributor two pieces of emerald with a very rare double-trapiche pattern
