Welcome to the gemstone section, a free informational reference guide to gemstones, jewelry, and precious metals.

Tanzanite - The Mineral and Gemstone KingdomBlue to purplish-blue variety of Zoisite found in the Merelani Hills in the Arusha region of Tanzania. Tanzanite is used as an important …

Detailed gem and jewelry information guide about the gemstone zoisite, including tanzanite and thulite.

Tanzanite is the blue to violet gem variety of the mineral Zoisite. Since its relatively recent discovery in 1967, it has become a mainstream and popular gemstone, and is used …

Highly lustrous and gemmy yellow Zoisite crystals from the same deposit as Tanzanite. It has a rare, straw-yellow color to it that is mesmerizing, if pastel in hue.

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An exceptional Zoisite var. Tanzanite crystal on a Calcite matrix. This specimen was on display at the room of Marcus Budil at the Westward Look Show in Tucson 2016, and was photographed …

Detailed description, properties, locality information guide about the mineral zoisite, tanzanite, and thulite.