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Yowah & Koroit Opals > Opals Over $200

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Koroit Nut Opal     Origin Koroit,  Queensland Australia Opal Type Solid Opal Type 3 (Matrix Opal) Approximate Size 1  1/16" x 11/16" x 1/8" (27mm x 18mm x 4mm) Colour & Description Koroit Nut opal. Very dark ironstone matrix with seams and sparkles of white opal with red and green pinfire sparkles. . Excellent polish with colour on the front of the stone only.  Transparency Opaque Cut Freeform Face Surface Low cabochon Weight 17.60 Carats Treatment None FRONT BACK SIZING PHOTO Click on any of the photos for an enlargement. Hit the "back" button on your browser to return here. Imperfections seen on highly enlarged photos are not necessarily visible or easily noticeable to the naked eye.