6.63 ct Black Opal

Opal type: Black opal
Colors: Blue, green
Weight: 6.63 carats
Dimensions: 25.75 x 8.35 x 4.60 mm
Shape: Elongagted teardrop 
Cut: Cabochon
Body tone: N2
Treatment: None
Origin: Lightning Ridge, Australia
 
Gemstone enhancement disclosure information:
All gemstones are natural and untreated (N), unless otherwise indicated.
N - Natural/Untreated • ASSBL - Assembled