Brilliant block patterns of precious blue green opal. Black boulder body tone gives richness to the display. Dynamic play of colour across full face of this gemstone. Mahogany like wood grain pattern in the ironstone rock. Hand-cut with care to a freeform curved triangle shape. Perfect to set as a stunning pendant or eye-catching ring. Highly polished and ready for your jewellery design. Ironstone host rock mined at famous Winton opal fields. Natural, solid and untreated Australian boulder opal. Approximate size 15.27 x 10.08 x 4.59 mm Approximate weight 5.55 Carats Photographs taken under indoor white light.
