Jewelry Dictionary (U)

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UNAKITE

Unakite is an opaque mineral that is green with patches of red and pink. Unakite is a variety of granite that contains green epidote and pink feldspar (but lacks mica). It has a hardness of 6 to 7 and a specific gravity of 2.86 - 3.2. Unakite was named for the Unaka Mountains in Tennessee, USA. Unakite is found in the USA and Africa.

UREA BAKELITE

Urea bakelite is a type of thermoset plastic.