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A large red-orange crystal of wulfenite is nestled in the arms of matrix.
Article
Arizona Road Trips: Wild West Gem and Mineral Localities

Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.

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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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Demantoid from Veracruz State, Mexico
Mexican Demantoid from New Deposits

Skarn deposits in the Veracruz state of Mexico yield new demantoid material.

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Multi-colored gems are superimposed on an image of glacier peaks.
Article
Gems and Minerals from the Sub-Arctic

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

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Garnet
Article
GIA Gem Project
Garnet

Often thought of as a deep red gemstone, garnet can also be yellow, orange, green or brown – any colour except blue.

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Worker attaching wax forms
Article
Shenzhen: The Frontier of China’s Gem and Jewellery Industry

All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.

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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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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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A Survey of the Gemstone Resources of China

China has identified many deposits with significant potential to produce gemstones; various species are discussed.

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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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