metamorphic
Unakite
Altered Granite
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, characterized by a distinct mottled pink orthoclase feldspar, green epidote, and clear quartz appearance with a vitreous luster.
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Physical properties
Hardness of 6-7 on the Mohs scale, characterized by a distinct mottled pink orthoclase feldspar, green epidote, and clear quartz appearance with a vitreous luster.
Formation & geological history
Formed through the hydrothermal alteration of granitic rocks, where hot fluids alter plagioclase feldspar into epidote.
Uses & applications
Commonly used for tumbled stones, cabochons, carved decorative objects, and jewelry making.
Geological facts
First discovered in the Unaka Mountains of North Carolina, from which it derives its name.
Field identification & locations
Easily identified by its characteristic pink and green color combination; globally sourced in regions with extensive ancient mountain building events.
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