Black Oval Cabochon Opal
Black Oval Cabochon Opal Lightning Ridge, New South Wales, Australia Even within the category of black opals, some are more sought-after than others. The present stone is such a piece—surpassed by few other opals in terms of its vibrancy of color—a true 5/5 for vividness and presence of color. Distinctive also is its "flagstone" pattern play-of-color: dominated by broad patches of electric blue, purple, green and orange at the edges and centering on a "windmill" pattern of fiery red & orange
Opal doublet is a naturally appearing slice of opal that is matched with a black backing to improve the colour imitating the colours of black opal. Because of the enhanced backing doublets tend to be very beautiful stones but because they are not 'natural' they trade at a discount to many opals.