5.17 ct large very beautiful unique natural solid opal gemstone

Product No: 2110opa0011
Stone Type: Natural Opal
Shape: Pear
Total Weight: 5.17 Carats
Size (mm): 16.8x11.6x4.5mm
Color: See picture
Clarity: PK
Luster: Very Good
Hardness: 5.5-6
Treatment: Heat
Origin: Australia