Gemological Information for Unakite
| Color: | Mottled Green, White and Pink Sometimes Veined with Black |
| Crystal Structure: | Rock |
| Refractive Index: | 1.74-1.76 with Areas of 1.55 or 1.52 Possible |
| Durability: | Fair |
| Hardness: | 6 to 7 |
| Family: | |
| Similar Stones: | Hydrogrossular and Rhodonite |
| Treatments: | Unknown |
| Country of Origin: | U.S. |
Unakite Care
| Ultrasonic Cleaning: | Safe |
| Steam Cleaning: | Safe |
| Warm Soapy Water: | Safe |
| Chemical Attack: | Can be Attacked by Hydrofluoric Acid |
| Light Sensitivity: | Stable |
| Heat Sensitivity: | Unknown |
Sources
- Gem Reference Guide, Los Angeles: Gemological Institute of America, 1988.
- Hall, Cally. Gemstones, Smithsonian Handbooks. London, DK Penguin Random House, 2021.