20.60ct Koroit Boulder Matrix Opal | #E264 Topaz A brilliant specimen from Virgin

A brilliant specimen from Virgin Valley

Traditional Navajo conchos with a Mexican twist

This indicates inclusions can be seen with the naked eye

The Gemstones: Mosaic Opal

20.60ct Koroit Boulder Matrix Opal | #E264 Topaz A brilliant specimen from VirginKoroit 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