16.59ct Quilpie Black Boulder Opal | #E230 Southwest In some stones

In some stones

Top of Ring Width: 17

+size to 5 and add faceted round cut 0

61g Dimensions (millimeters) 10

fluorescence: few stones exhibit faint fluorescence

16.59ct Quilpie Black Boulder Opal | #E230 Southwest In some stonesYour browser does not support the video tag. Weight (carats) 16. 59 carats Origin Quilpie region, Queensland, Australia Shape Freeform Cabochon Dimensions (millimeters) 20. 51mm x 15. 32mm x 4. 70mm thick Dimensions (inches) 0. 80" x 0. 06" x 0. 19" thick Body Tone (+N1 to N9 ) N2 Brightness ( 1 to 5+) B2. 5 Predominant Colors Blue (slight green) Directionality of Fire Highly Directional Treatments Enhancements None Suggested Purpose Ring Pendant Sku