Product Overview
100% NATURAL BOULDER OPAL AUSTRALIA
UNTREATED
Weight: 15.69 Carat.
Gem Type: 100% Natural Opal.
Shape: Free Form Cabochon.
Size in millimeter: 21.6 Length. 14.0 Width. 6.5 Deep
Color: Blue Lightning.
Luster: Iridescent.
Origin: Australia.
Treatment: Unheated, Untreated.
Hardness: 5.0 to 6.5.
