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Origin Determination of Dolomite-Related White Nephrite through Iterative-Binary Linear Discriminant Analysis

Zemin Luo, November 22, 2015

A technique for origin identification based on statistical analysis and LA-ICP-MS spectrometry.

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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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Nephrite jade from Val Malenco, Italy: review and update

Ilaria Adamo, Rosangela Bocchio, July 24, 2013

Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.

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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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