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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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Research
Characterization of Emeralds from a Historical Deposit: Byrud (Eidsvoll), Norway
An emerald deposit at Byrud, in southern Norway, yielded significant quantities of crystals and gem rough in the late 19th and early 20th centuries.
Suggested Reading on Emeralds and their Inclusions
Suggested Reading on Emeralds and their Inclusions
The Santa Terezinha De Goias Emerald Deposit
The author has uncovered many ancient references to the simulation or enhancement of gemstones.
Emeralds of the Panjshir Valley, Afghanistan
With the withdrawal of Soviet troops from Afghanistan, villagers in the Panjshir Valley are turning their attention to the emerald riches of the nearby Hindu Kush Mountains.
