4.37ct Koroit Boulder Opal | #E204 Goldstone Colors are bright and vibrant

Colors are bright and vibrant

approximate crystal measurements: 1

light reddish overtones with a slight green and blue undertone pinfire color pattern

play of color description: full color spectrum visible

4.37ct Koroit Boulder Opal | #E204 Goldstone Colors are bright and vibrantKoroit Boulder Opal Weight (carats) 4. 37cts Origin Koroit Mining District, Queensland, Australia Shape Freeform Dimensions (millimeters) 17. 56mm x 10. 08mm x 3. 81mm Dimensions (inches) 0. 7" x 0. 4" x 0. 2" Body Tone (+N1 to N9 ) NA Boulder Brightness ( 1 to 5+) B3. 5 Predominant Colors Green Blue Directionality of Fire Slightly Directional Treatments Enhancements None Suggested Purpose Pendant Ring Sku Number #E204 Additional Notes None