6.40ct Avg Black Blue Nile Opal Oval 15x10-17x14mm Cabochon Loose
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This 6.40 Avg carat Black Ethiopian Opal is oval cabochon cut and ranges in size from 15x10 to 17x14mm. This gem has a translucent light base with colors of fire that will vary. This stone has been enhanced to bring out it's color display and offer a high sheen surface.
Ethiopian Opals are relatively new to the market, discovered in Africa in the mid 1990s.This variety has some of the finest color play of all other Opals, with a diverse range of colors and fire patterns.