Beautiful Large Blue/Green Black Boulder Opal Pendant Gold Fill Wire Wrapped Necklace w 14kt Gold filled Chain

This is a stunning Boulder opal, technically considered a black Opal from what I was told by a jeweler.This piece has gorgeous blues and greens and is quite large. Please see photos for approximate measurements and further details. It is surrounded by gold filled wire wrapping. This piece comes with a vintage 14kt gold filled Chain, The chain is approximately 18 inches long.