Ruby in Zoisite contains the properties of both ruby and zoisite. Zoisite with Ruby is one of those truly fortunate natural mineral combinations. Ruby-in-zoisite can vary tremendously in color, pattern and hardness. Ruby-zoisite was discovered at the Longido mining district in northeast Tanzania by Tom Blevins, an English prospector. To this day, Tanzania remains the only source for ruby-zoisite.There isn't another stone like it in the mineral world.
Zoisite provides an earthy green color, while ruby inclusions give it pink and red highlights.The medium grade red ruby material is usually spread irregularly throughout the green zoisite. Zoisite's hardness ranges from 6.5 to 7 on the Mohs scale, whereas ruby has a hardness of 9. It is a colorful ornamental gemstones and is used often in jewelry making.
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