metamorphic
Unakite
Altered granite (Epidote, Pink Orthoclase Feldspar, Quartz)
AI-generated identification · may be incorrectHardness of 6-7 on the Mohs scale, mottled green and pink coloration, vitreous luster, and a compact granular crystal structure.
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Physical properties
Hardness of 6-7 on the Mohs scale, mottled green and pink coloration, vitreous luster, and a compact granular crystal structure.
Formation & geological history
Formed through the hydrothermal alteration of granite, where plagioclase feldspar is replaced by epidote, commonly found in the Blue Ridge Mountains.
Uses & applications
Used primarily as a decorative stone for cabochons, beads, spheres, and carved ornamental objects in jewelry and lapidary arts.
Geological facts
First discovered in the Unaka Mountains of North Carolina, from which it derives its unique name.
Field identification & locations
Easily identified by its distinct, speckled pink and pistachio-green color combination; popular among amateur rockhounds.
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