22.99ct Quilpie Black Boulder Opal | #E187 Neckwear Brushed finish slows the appearance

Brushed finish slows the appearance of noticeable wear

B3 Predominant Colors Blue Directionality of Fire Highly Directional Treatments / Enhancements None Suggested Purpose Ring Sku Number #E15 Additional Notes Exhibits cat's eye phenomenon

The Gemstones:

photographed zoomed in under a microscope

22.99ct Quilpie Black Boulder Opal | #E187 Neckwear Brushed finish slows the appearanceQuilpie Black Boulder Opal Weight (carats) 22. 99cts Origin Quilpie, Australia Shape Freeform Dimensions (millimeters) 36. 76mm x 11. 78mm x 6. 01mm Dimensions (inches) 1. 4" x 0. 5" x 0. 25" Body Tone (+N1 to N9 ) N3 Boulder Brightness ( 1 to 5+) B3 Predominant Colors Blue Directionality of Fire Somewhat Directional Treatments Enhancements None Suggested Purpose Pendant Sku Number #E187 Additional Notes None