Notable for its majestic blue velvet and intense royal purples, the first of December’s birthstones is named after the only country it can be found: Tanzania. Exceptional tanzanite can display three distinct colors in three crystal directions.

Learn what gives tanzanite its stunning color and high clarity by reading GIA’s Tanzanite Buying Guide, where you’ll find tips on quality factors and answers to frequently asked questions.

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Tanzanite-Buying-Guide