metamorphic

Unakite

Epidotized Granite

AI-generated identification · may be incorrect

Hardness: 6-7, Color: Green and pink/salmon, Luster: Vitreous to dull, Crystal structure: Massive (rock), Cleavage: None

Identified September 19, 2026More metamorphic →

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Physical properties

Hardness: 6-7, Color: Green and pink/salmon, Luster: Vitreous to dull, Crystal structure: Massive (rock), Cleavage: None

Formation & geological history

Formed by hydrothermal alteration of granite. Plagioclase feldspar is replaced by epidote. Found in various ages of rocks where this alteration has occurred.

Uses & applications

Used in lapidary work, carved into spheres, cabochons, beads, and other ornamental objects. Often used in jewelry and collected for its aesthetic appeal.

Geological facts

First discovered in the Unakas mountains of North Carolina, USA, from which it gets its name. It is the state stone of Virginia.

Field identification & locations

Easily identified by its mottled green (epidote) and pink (orthoclase feldspar) appearance. Common locations include the USA, South Africa, Sierra Leone, Brazil, and China. Look for the distinct color combination.