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A Proposed New Classification for Gem-Quality Garnets

Carol M. Stockton and D. Vincent Manson, December 1, 1985

Eight garnet species are defined and methods of identification are described.

Gem Andradite Garnets

Carol M. Stockton and D. Vincent Manson, December 1, 1983

Gem-quality andradites are easy to distinguish chemically from other types of gem garnets.

A New Classification for Red-To-Violet Garnets

W. William Hanneman, March 1, 1983

An overview of previous red-to-violet garnet classification schemes and a proposal for a new one.

Gem Garnets in The Red-To-Violet Colour Range

D. Vincent Manson and Carol M. Stockton, December 1, 1981

This article shows that the characteristic of colour appears to have little correlation with variations in bulk (not trace) composition or physical properties.

Demantoid from Val Malenco, Italy: Review and Update

Ilaria Adamo, Rosangela Bocchio, Valeria Diella, Alessandro Pavese, Pietro Vignola, Loredana Prosperi, and Valentina Palanza

New data are presented for demantoid from Val Malenco, Italy, as obtained by classical gemmological methods.

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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