5.24ct Koroit Australian Boulder Opal | #E274 Maw Sit Sit 10 carats Weight (grams) 1

10 carats Weight (grams) 1

25 - this ring cannot be sized

or The First Temple

hummingbird

carat weight: 0

5.24ct Koroit Australian Boulder Opal | #E274 Maw Sit Sit 10 carats Weight (grams) 1Koroit Boulder Matrix Opal Weight 5. 23 carats Origin Koroit Mining District, Queensland, Australia Shape Oval Cabochon Dimensions (millimeters) 17. 85mm x 8. 83mm x 3. 90mm thick Dimensions (inches) 0. 70" x 0. 35" x 0. 16" thick Body Tone (+N1 to N9 ) N A Boulder Opal Brightness ( 1 to 5+) B7 Predominant Colors Dominant green overtones with blue undertones Directionality of Fire Slightly Directional Treatments Enhancements None Suggested Purpose