5.24ct Koroit Australian Boulder Opal | #E274 Diamond Only The Stones: Onyx
Description
The Stones: Onyx
post earring backs
bangle width: 14mm
38mm Origin Quilpie Mining District
35 faceted oval cuts
5.24ct Koroit Australian Boulder Opal | #E274 Diamond Only The Stones: OnyxKoroit 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
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