20.60ct Koroit Boulder Matrix Opal | #E264 Topaz and Sri Lanka

and Sri Lanka

58mm (not including pin)

58mm (1") x 20

Vintage squash blossom necklace set with Number 8 Mine turquoise stones

The Gemstones: Mosaic Opal

20.60ct Koroit Boulder Matrix Opal | #E264 Topaz and Sri LankaKoroit Boulder Matrix Opal Your browser does not support the video tag. Weight 20. 60 carats Origin Koroit Mining District, Queensland, Australia Shape Freeform Cabochon Dimensions (millimeters) 32. 80mm x 15. 90mm x 5. 80mm at thickest part Dimensions (inches) 1. 29" x 0. 63" x 0. 23" at thickest part Body Tone (+N1 to N9 ) N A Boulder Opal Brightness ( 1 to 5+) B3. 5 Predominant Colors Blue and Green Directionality of Fire Somewhat Directional