metamorphic
Unakite
Altered Granite
AI-generated identification · may be incorrectMohs hardness 6 to 7. Displays a mottled green, pink, and white coloration with a vitreous to greasy luster.
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Physical properties
Mohs hardness 6 to 7. Displays a mottled green, pink, and white coloration with a vitreous to greasy luster.
Formation & geological history
Formed through hydrothermal alteration of granite, where plagioclase feldspar is replaced by epidote.
Uses & applications
Used primarily for making cabochons, polished decorative objects, and lapidary items.
Geological facts
Unakite is named after the Unaka Mountains of western North Carolina, where it was first discovered.
Field identification & locations
Easily identified in the field by its distinct combination of pink orthoclase feldspar and green epidote.
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