Opal, Australian, Boulder Opal, Koroit Opal, Sterling Silver, selling Sun pendant, black leather cord

Australian Koroit Boulder opal shows it's original stone material on the back.
The pattern in the stone suggests waves upon the ocean shore.
The swirl bail is sterling silver set on a black leather cord with lobster clasp.
Comes in black box with cleaning cloth.
OOAK.

The earthiness of this stone is not typical of most opals sold selling on the market.