12.17ct Koroit Boulder Matrix Opal | #E191 Pargasite color: white with pink luster

color: white with pink luster

A single round brilliant cut

The Stone: Natural Black Boulder Opal

3" Origin Brazil Shape faceted hexagon cut Material Grade AA Colors light "sky" blue Treatments / Enhancements irradiation Mohs Hardness 8 SKU Number #1047

Lapis lazuli ring handmade and signed by Navajo artist

12.17ct Koroit Boulder Matrix Opal | #E191 Pargasite color: white with pink lusterKoroit Boulder Matrix Opal Weight (carats) 12. 17cts Origin Koroit Mining District, Queensland, Australia Shape Oval Dimensions (millimeters) 22. 41mm x 12. 80mm x 5. 16mm Dimensions (inches) 0. 9" x 0. 5" x 0. 2" Body Tone (+N1 to N9 ) NA Boulder Brightness ( 1 to 5+) B1. 5 Predominant Colors Blue Directionality of Fire Somewhat Directional Treatments Enhancements None Suggested Purpose Pendant Ring Sku Number #E191 Additional Notes None