Tairus Hydrothermal Synthetic Sapphires Doped with Nickel and Chromium

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Zircon Cluster in Ethiopian Sapphire

The presence of these zircon clusters might help separate Ethiopian sapphire from other basalt-related sources.

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Green Jadeite-Omphacite from Guatemala

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Large “Rainbow Calcite”

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New Deposit of Pezzottaite from Madagascar

A highly saturated purplish pink to red pezzottaite from a new deposit in Madagascar is encountered in Tucson and tested by GIA researchers.

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New Fluorite Deposit in Nigeria

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New Nigerian Green Beryl Find

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Rose Channels in Ruby

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Trigon Party on a Diamond

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Heated Corundum, the Remarkable Winston Red, and an Extraordinary Renaissance Jewel

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“Bubble Obsidian” from Armenia

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Eighth Annual Gianmaria Buccellati Foundation Award Winner

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“Enhydro” Amethyst from Morocco

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Gem-Quality Spinel from Southern Malawi

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Gems Keep Giving

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Gemstone Artisan Keycaps

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Cleavage System in Pink Diamond

A Fancy Intense purplish pink diamond with a network of planar cracks and strain-induced bodycolor reveals an aesthetic geometric pattern.

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In Memoriam: Alan Hodgkinson (1937–2024)

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In Memoriam: Glenn Lehrer (1953–2024)

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Jade Forms from Ancient China

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