metamorphic
Unakite
Epidotized Granite
AI-generated identification · may be incorrectHardness of 6-7, mottled green and pink color, opaque, granular texture.
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Physical properties
Hardness of 6-7, mottled green and pink color, opaque, granular texture.
Formation & geological history
Formed by hydrothermal alteration of granite, replacing plagioclase with epidote while leaving orthoclase and quartz intact.
Uses & applications
Popular as a semi-precious stone in jewelry, cabochons, and ornamental carvings.
Geological facts
Named after the Unaka Mountains of North Carolina where it was first discovered.
Field identification & locations
Identified by its distinctive combination of pink orthoclase, green epidote, and clear/grey quartz.
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