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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.

Pyrope-Spessartine Garnets with Unusual Colour Behaviour

D. Vincent Manson and Carol M. Stockton, December 1, 1984

Unusual colour-change garnets.

Two Notable Colour-Change Garnets

Carol M. Stockton, June 1, 1982

The gemmological properties and chemical compositions of two unusual colour-change garnets are reviewed.

The Andradites of San Benito County, California

Tedd Payne, September 1, 1981

Mines in San Benito County, California, produce andradite in various colours; some are chatoyant.

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.

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