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Article
Guardians of Trust: GIA’s Innovative Research, Instruments and Services

Russell Shor, September 20, 2019

GIA’s services and instruments have grown in importance and impact as new gem treatments and laboratory-grown gems have entered the market.

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Accurate Reporting of Key Trace Elements in Ruby and Sapphire Using Matrix-Matched Standards

Jennifer Stone-Sundberg, Timothy Thomas, Ziyin Sun, Yunbin Guan, Zachary Cole, Randy Equall, and John L. Emmett, January 26, 2018

Presents a group of corundum standards developed by GIA to improve the accuracy and efficiency of its laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) instruments.

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Article
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section

Russell Shor, August 14, 2015

G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Autumn 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Autumn 2009 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Winter 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstracts; Winter 1991

Dona M. Dirlam

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstracts; Autumn 1991

Dona M. Dirlam

This article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.

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