◂ 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
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.
GIA Field Gemologists Visit Zambia’s Emerald Mines
Go onsite to Zambia’s emerald mines with GIA’s field gemology team.
Emeralds: Colombia’s Buried Treasure
Colombia is home to a rainbow of gems, but emeralds – and the tales of lore that surround them – are the country’s most well-known treasures.
Large Cat’s-Eye Emerald from Brazil
A translucent Brazilian emerald exhibiting pronounced chatoyancy is examined.
Romancing the Source: Afghanistan
Accompany GIA field gemologists on a true gemstone mining adventure to the emerald mines in the Panjshir Valley of Afghanistan, whose rugged inhabitants have held off 10 Soviet invasion attempts. See how emeralds are mined in a mountain source that few have witnessed.
The Glory of Green Gems
Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewelry.
The Belmont Mine and an Emerald’s Journey from Mine to Market
Follow a significant emerald from the Belmont emerald mine in Brazil to a retailer in Bangkok and learn the story of one of the world’s most modern colored gemstone mines, while seeing how a gemstone moves from mine-to-market.
Larger Optic Disks
Exceptional innovations using gem and mineral rough at Tucson’s GJX show.
