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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

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

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New Chromium- and Vanadium-Bearing Garnets from Tranoroa, Madagascar

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

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

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A Proposed New Classification for Gem-Quality Garnets

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

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Pyrope-Spessartine Garnets with Unusual Colour Behaviour

Unusual colour-change garnets.

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Gem Andradite Garnets

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

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Two Notable Colour-Change Garnets

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

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Gem Garnets in The Red-To-Violet Colour Range

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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The Andradites of San Benito County, California

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

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

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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