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XClear Selections
Timeline showing the use of garnets in different eras from 300 BCE to 700 CE
An Early Byzantine Engraved Almandine from the Garibpet Deposit, Telangana State, India: Evidence for Garnet Trade Along the Ancient Maritime Silk Road

H. Albert Gilg, Karl Schmetzer, and Ulrich Schüssler, August 6, 2018

Analyses the chemical composition and inclusion characteristics of this ancient artefact.

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GG WN15 Cover
Article
Pyrope Garnet and Montana Sapphires Highlight Winter 2015 G&G

Russell Shor, February 1, 2016

G&G Brief presents an overview of the content of the Winter 2015 issue 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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New Chromium- and Vanadium-Bearing Garnets from Tranoroa, Madagascar

Karl Schmetzer, Thomas Hainschwang, June 1, 2002

Pyrope-spessartine garnets from Tranoroa, in southern Madagascar, contain appreciable Cr and somewhat lower V contents.

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Rounded Garnet Crystals
Bohemian Garnet – Today

Jochen Schlüter and Wolfgang Weitschat, September 1, 1991

Red garnets have been mined in the Bohemian Hills of Czechoslovakia since the 16th century.

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Pyrope-Spessartine Garnets with Unusual Colour Behaviour

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

Unusual colour-change garnets.

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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.

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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.

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Topazolite
First Discovery of Topazolite in Mexico

Mikhail Ostrooumov, October 31, 2014

Reports on the first discovery of fine topazolite garnet crystals in Mexico.

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Determining Garnet Composition from Magnetic Susceptibility and Other Properties

Donald B. Hoover

Quantitative measurements of magnetic susceptibility combined with RI or SG data can provide an easy and inexpensive way of inferring garnet composition.

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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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