Metamorphic Rocks · common
Unakite
Unakite is a metamorphosed granite composed of pink orthoclase feldspar, green epidote, and quartz. Named after the Unaka Mountains of Tennessee.
Also known as: pink and green, epidote granite, tumbled stone.
Unakite properties at a glance
| Type | Metamorphic Rocks |
|---|---|
| Chemical formula | Variable mineral composition |
| Mohs hardness | 6.5 |
| Luster | vitreous |
| Streak | Variable; test individual minerals |
| Cleavage | Variable by mineral grains |
| Fracture | Uneven |
| Specific gravity | 2.9 |
| Transparency | opaque |
| Common colors | Pink and Green mottled, Salmon, Olive Green |
| Rarity | common |
Geology & background
Forms through metamorphism of granite, where original minerals are altered to epidote (green) and orthoclase feldspar (pink).
Discovered in the Unakas region of the United States and became popular for decorative uses in the 20th century.
How to identify Unakite
- Check whether the specimen's color and texture match typical Unakite examples.
- Photograph a fresh surface in natural light and avoid shadows, glare, or wet surfaces.
- Use hardness, streak, luster, grain size, and locality together; no single trait is enough for every specimen.
Full Unakite identification guide: checklist, home tests and look-alikes →
Unakite vs similar stones
Not sure it isn't something else? Side-by-side comparisons with the stones most often confused with Unakite.
Where Unakite is found
Unakite is reported from multiple localities or geological settings. Exact locality should be verified from specimen provenance, maps, or field notes.
How much is Unakite worth?
| Entry-level specimen | $2 |
|---|---|
| Typical collector specimen | $10 |
| Premium specimen | $50+ |
Value depends on size, condition, color, crystal quality, locality, rarity, preparation, and provenance. Treat this as educational guidance, not an appraisal.
Common uses
- Jewelry
- Decorative objects
- Building stone
Interesting facts
- Named after the Unaka Mountains on the Tennessee/North Carolina border
- Popular for tumbled stones and cabochons
- Sometimes called 'epidotized granite'
Care & safety
Treat Unakite as a collector specimen unless hardness, cleavage, and fracture are confirmed.
Avoid inhaling dust. Do not cut, grind, or polish unknown specimens without eye protection and a properly rated respirator.
Unakite FAQ
What is Unakite?
Unakite is a metamorphosed granite composed of pink orthoclase feldspar, green epidote, and quartz. Named after the Unaka Mountains of Tennessee.
How much is Unakite worth?
Entry-level Unakite specimens sell for around $2, a typical collector specimen for about $10, and premium pieces for $50 or more. Value depends on size, condition, color, crystal quality, locality, rarity, preparation, and provenance. Treat this as educational guidance, not an appraisal.
How hard is Unakite?
Unakite has a Mohs hardness of 6.5. It scratches glass and a steel knife and cannot be scratched by a steel file.
Where is Unakite found?
Notable sources of Unakite include USA (Virginia, North Carolina), South Africa, Brazil, and China. Forms through metamorphism of granite, where original minerals are altered to epidote (green) and orthoclase feldspar (pink)..
What is Unakite used for?
Unakite is used for jewelry, decorative objects, and building stone.
