metamorphic
Unakite
Epidote with orthoclase feldspar and quartz
AI-generated identification · may be incorrectHardness 6-7, mottled green and pink/red colors, opaque, massive crystal structure.
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Physical properties
Hardness 6-7, mottled green and pink/red colors, opaque, massive crystal structure.
Formation & geological history
Formed by the hydrothermal alteration of granite. Contains pink orthoclase feldspar, green epidote, and generally colorless quartz.
Uses & applications
Commonly used in lapidary work for cabochons, carvings, beads, and jewelry.
Geological facts
First discovered in the Unakas mountains of North Carolina from which it gets its name.
Field identification & locations
Identified by its distinctive mottled pink and green coloration. Found mainly in the US (Virginia, North Carolina) and other granite-rich areas worldwide.
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