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Garnet
Garnets are a set of closely related minerals forming a group, with gemstones in almost every color.
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Research
Pastel Pyropes
Summer 1996 Gem News International
Update on Ametrine from the Yuruty Mine, Bolivia
Gem-Quality Grossular-Andradite: A New Garnet from Mali
Spring 2000 Gem News International
Spring 2004 Gem News International
A Survey of the Gemstone Resources of China
Unique Trapiche Grossular from China
Grossular crystals cut along specific orientations reveal a distinct trapiche structure.
Almandine Garnet from Phu Tho, Vietnam
Reports on the study of garnet samples from a source in northern Vietnam.
The Latest in Field Gemology from Wim Vertriest: Sapphires and Demantoid Garnets from Northern Madagascar
Learn the latest on Madagascar sapphires and demantoid garnets from Wim Vertriest, GIA Manager of Field Gemology.
G&G Features in a Flash: Texas Topaz
Learn about Texas topaz history and geographic origin research.
New and Notable Finds from the GIA Lab: Winter 2023
Discover a bicolor chameleon diamond, a diamond with carbon dioxide, and a pink square inside a diamond.
