Black Opal 2.33 carat 11.8x8.7mm Oval Cabochon, Heat/Sugar Enhanced Natural Opal

Natural Black Opal
Origin: Ethiopia
Measurements: 11.8 x 8.7 mm, 5.0 mm deep
Weight: 2.33 carats
Treatments: Sugar or hear treated (for dark color)
Cut: Cabochon
Color: Black Opal with some faint blue, green and orange play of color, Dim Grain (the back has better color than the front.
Condition: Great newly cut opal.