Australian solid black opal pendant set in 18k gold  and chain is gold plated.
Incredible mixed of electric blue and green.
The pendant measure 10 mm x 8 mm  ( opal size 5 mm in length )
Pendant top : Stamped 18k
Chain : gold plated 40cm

Opal is the national gemstone of Australia that produces over 90% of the world's supply. 

Black opal is a natural solid stone with a black or dark grey body tone and black opals come from Lightning Ridge NSW Australia.