0.57 ct Black Opal | 7.11 x 5.22 mm

Opal type: Black opal
Weight: 0.57 carat
Dimensions: 7.11 x 5.22 x 2.60 mm
Shape: Free-form
Cut: Cabochon
Treatment: None
Origin: Lightning Ridge, NSW, Australia
 
Gemstone enhancement disclosure information:
All gemstones are natural and untreated (N), unless otherwise indicated.
N - Natural/Untreated • ASSBL - Assembled