igneous
Unakite
Altered Granite (Orthoclase, Epidote, Quartz)
AI-generated identification · may be incorrectHardness 6-7 on Mohs scale. Distinctive mottled green and pink coloration with a vitreous to dull luster.
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Physical properties
Hardness 6-7 on Mohs scale. Distinctive mottled green and pink coloration with a vitreous to dull luster.
Formation & geological history
Formed by hydrothermal alteration of granitic rocks, where epidote replaces plagioclase feldspar.
Uses & applications
Used primarily for lapidary work, cabochons, beads, spheres, and ornamental decorative carvings.
Geological facts
Named after the Unaka Mountains of North Carolina where it was first discovered.
Field identification & locations
Easily identified by its unique pink and green splotchy appearance; commonly found in glacial drift in Virginia.
