2.26 ct very rare genuine natural black opal gemstone

Product No: 1611opa0016
Stone Type: Natural Opal
Shape: Oval
Total weight: 2.26 carats
Size (mm): 12.2x8.1x3.4mm
Color: Rainbow See Image
Clarity: Semi Transparent
Luster: Very Good
Hardness: 5.5-6
Treatment: Natural/Untreated
Origin: Australia