metamorphic
Unakite
Epidotized Granite
AI-generated identification · may be incorrectHardness 6-7, mottled pink, green, and clear/white colors, opaque to translucent, massive crystal structure.
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Physical properties
Hardness 6-7, mottled pink, green, and clear/white colors, opaque to translucent, massive crystal structure.
Formation & geological history
Formed by hydrothermal alteration of granite. Plagioclase feldspar is replaced by epidote. Found in various ages.
Uses & applications
Used in lapidary, jewelry making, and as ornamental stone.
Geological facts
Named after the Unaka range of mountains in North Carolina where it was first discovered.
Field identification & locations
Identified by its distinctive mottled pink (orthoclase feldspar), green (epidote), and clear/white (quartz) appearance. Often found as water-worn pebbles.
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