Free bonus rock to add even more value to this starter set. Rock 1 features purple and green lines in large-facing opal deposit. Rock 2 features multiple internal crystal opal seams to explore. Bonus Rock displays a flat layer of surface opal, great for practice. Perfect for lapidary starter work to make artisan jewellery stones. High density ironstone host rock mined at Winton opal fields. Mine Area: Central West Queensland, Australia. Approx. weights: (1) 180g (2) 112g (Bonus) 88 grams. Approx. sizes (1) 5 x 4 x 3 (2) 5 x 4 x 4 (Bonus) 5 x 3 x 3 cm. Some photos in outdoor daylight, as-mined dry condition. Some photos wet to simulate polishing potential of the opal. First four single photos – Rock 1 Next four single photos – Rock 2 Last four single photos – Free Bonus Rock
