This Stunning piece is a Dark Blue and Green Boulder Opal set in 18ct Gold. Exhibited by this Opal is a dark blue and green colour with constant flashes of blue, green, and red. This Opal displays bight flashes of red, green, and blue in a pin fire pattern, allowing you to see depth in the Opal. The Gold setting compliments the colours making them stand out even more and makes this piece truly eye catching. This particular Opal comes from an Opal mine in the centre of Queensland, near the Winton District.