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Yowah & Koroit Opals > Opals $101 to $200

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Koroit Nut Opal     Origin Koroit,  Queensland Australia Opal Type Solid Opal Type 3 (Matrix Opal) Approximate Size 1" x 1/2" x 1/8" (25mm x 13mm x 4mm) Colour & Description Koroit Nut opal. "Brick" red ironstone and opal matrix with brilliant green and blue opal sparkles. Polished on both sides with colour on both sides of the stone.  Transparency Opaque Cut Freeform Face Surface Cabochon Weight 10.10 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.