Article Search Results

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.

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.

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.

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.

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.

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.

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.

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Gemstones

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