Bright blue domed silver pendant

High domed solid Lightning Ridge opal, set in 925 sterling silver pendant. Beautiful bright greens and blues, gem colours. Has a cool line through the opal which comes from a line in the black potch at the back, creating and interesting pattern (in no way is this a crack, it is called a potch line). Designed by Justine Colville-Buckley. Pendant is approx. 24x13x9mm.