8.1 ct. unmounted teardrop cut African opal cabochon

Automatic translation from Danish.

8.1 ct. Unmounted teardrop cut hydrophane opal cabochon with white base and intense color flash in predominantly red and orange colors as well as green and yellow. African origin Measures 18.42 x 10.49 x 8.82 mm.
Please note that opal colors are best seen with direct light exposure. Pictures showing the opal's full color flash were taken under artificial lighting. Without light exposure, the light intensity is reduced.