20.09ct Quilpie Boulder Opal Stone | #17 Onyx Emerald- polished disc bead

Emerald- polished disc bead

See photo with red circle for more details

bluish green predominant color

In the darkness of the opal is a bright electric-blue eye that glows intensely in natural sunlight

20.09ct Quilpie Boulder Opal Stone | #17 Onyx Emerald- polished disc beadAustralian Boulder Opal: Weight (carats) 20. 09ct Dimensions (millimeters) 21. 67mm x 16. 55mm x 7. 43mm Origin Quilpie Mining District, Queensland, Australia Shape oval cabochon cut Colors blue, aqua, green Brightness of Color Play ( 1 to 5+) 1. 5 Darkness of Body (+1 to 5 ) N A Treatments Enhancements none, natural SKU Number #17 Additional Notes: Thickness of this stone makes it a versatile option for use in rings, pendants, and bracelets. This