2.37ct Lightning Ridge Semi-Black Opal | #E29 Pargasite 18cts Dimensions (millimeters) 38

18cts Dimensions (millimeters) 38

Heated Purple Sapphire

signed on back with maker's mark "B" in a circle

heated with iron to achieve lemon color

09mm deep (from tip of feather)

2.37ct Lightning Ridge Semi-Black Opal | #E29 Pargasite 18cts Dimensions (millimeters) 38Lightning Ridge Semi Black Opal Weight (carats) 2. 37cts Origin Lightning Ridge, Australia Shape Freeform Cushion Dimensions (millimeters) 10. 73mm x 8. 25mm x 3. 41mm Dimensions (inches) 0. 4" x 0. 33" x 0. 1" Body Tone (+N1 to N9 ) N6 Brightness ( 1 to 5+) B3. 5 Predominant Colors Green Blue Multicolor Directionality of Fire Slightly Directional Treatments Enhancements None Suggested Purpose Ring Pendant Sku Number #E29 Additional Notes None