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Rough emerald parcel from Afghanistan.
Emerald Dealing in Afghanistan

Andrew Lucas and Tao Hsu, May 8, 2017

An experienced gem dealer gives an overview of how to source gem-quality Afghan emeralds.

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Yunnan emerald at Tucson
Rare Emerald from China and Pink Sapphire from Sri Lanka

Tao Hsu and Andrew Lucas, April 28, 2016

An emerald from a largely unexplored Chinese deposit is seen at Tucson, along with a pink sapphire recut after removal from a necklace.

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2016 GJX show at Tucson
Tucson 2016

Tao Hsu and Andrew Lucas, April 28, 2016

An overview of the 2016 gem shows.

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The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
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