Free bonus rock to add even more value to this purple opal set. Rock 1 features large surface formation of purple blue opal. Rock 2 features multiple internal crystal opal seams to explore. Bonus Rock displays wood like grain patterns, great for practice. Ideal for lapidary starter work to make multiple artisan stones. High density ironstone host rock mined at Winton opal fields. Mine Area: Central West Queensland, Australia. Approx. weights: (1) 215g (2) 220g (Bonus) 44 grams. Approx. sizes (1) 6 x 5 x 4 (2) 7 x 6 x 5 (Bonus) 6 x 3 x 2 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
