THE MATERIAL LIBRARY
Unakite
A rock combining green epidote, pink feldspar and quartz.
Colors & patterns
Mottled olive green and salmon pink with pale quartz.
Typical origins
Named for the Unaka Mountains in the United States; also found in other regions.
Hardness
About 6–7, varying by component
Choosing & setting this material
Its contrasting mineral patches make each cab unique. Check for fractures and uneven surfaces; avoid hard knocks despite its generally useful jewelry durability.
Care & cleaning
Clean gently with lukewarm water, a little mild soap and a soft cloth, then dry. Avoid steam, ultrasonic cleaners, harsh chemicals and sudden temperature changes, especially when treatments are unknown.
Origins above describe typical sources of the material, not the origin of an illustrated or stocked stone. Hardness measures scratch resistance, not resistance to breaking. Confirm the identity and treatments of the actual piece.
Further reading: Material reference · GIA: gem treatments