Koroit Matrix Freeform Cabochon
Origin: Koroit Opal Field, Queensland, Australia
Cut: Freeform Cabochon
Treatments: None - Natural Stone
Dimensions: 37.1mm x 27.5mm x 7.3mm
Beautiful Koroit Matrix opal with blue and green sparkles in a matrix of ironstone and silicated clay. Some very minor undercutting on the back of the stone.
Flat back for easy setting.
Much brighter sparkles than the photo indicates.
Hand cut and polished in our own workshop.
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