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Color zoning in amethyst from Boudi, Morocco
Amethyst from Boudi, Morocco

An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.

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Amethyst from Four Peaks, Arizona

For more than a century, the Four Peaks mine in Maricopa County, Arizona, has produced gem-quality amethyst.

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Amethyst Mining in Brazil

Brazil is currently the leader in overall production of amethyst.

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A Status Report on Gemstones from Afghanistan

An overview of the plentiful and various gem materials being discovered and produced in Afghanistan.

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