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Emerald crystals from Colombia, Afghanistan, and Zambia

Photoluminescence Spectra of Emeralds from Colombia, Afghanistan and Zambia

D. Brian Thompson, Christian J. Bayens, Matthew B. Morgan, Taylor J. Myrick, and Nealey E. Sims, November 8, 2017

Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.

A high-tech digitizing machine cradles the books for scanning instead of forcing them into a flat, spine-damaging position.

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Rare Books Project Puts Gem and Jewellery History Within Reach

Jaime Kautsky, November 11, 2016

More than 200 historically significant books housed in the GIA Library have been digitised and made available for free.

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