Product Details

🇦🇺 Origin: Koroit, Queensland, Australia
⚖️ Weight: 13.28 grams (66.4 carats)
📏 Dimensions: 40 x 34.3 x 6.4 mm The Stone:
This is a genuine Australian Koroit boulder opal nut featuring a stunning natural ironstone matrix with cream and subtle blue/purple veining. The stone displays the characteristic concentric “nut” patterning that Koroit fields are famous for, with a beautiful polished face that highlights the contrast between the dark host rock and lighter opal veins. Important Note: This piece has beautiful pattern and color bars but lacks bright flash/play-of-color. It’s perfect for collectors who appreciate natural boulder opal matrix, or for artisans looking for a substantial cabochon for wire wrapping or bezel setting. Details: * High polish on the face, natural ironstone backing * Flat back, ready for setting * No treatments or enhancements * Unique triangular/teardrop shape