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A bright orange, multi-faceted gem.
Fall for Autumn Gems

Nature gives us a brilliant palette of color-changing leaves and a spectacular kaleidoscope of colorful sunsets during the fall season.

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The Natural Formation and Occurrence of Green Quartz

How amethyst under certain conditions may turn green rather than the expected citrine-yellow.

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Artificially Induced Color in Amethyst-Citrine Quartz

A new and rather unusual gem material and possible treatments are discussed.

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