Lilac block of crystal opal formed on corner of main rock. Free second rock with lilac and purple opal for practice. Visibility of additional internal opal seams to explore. Rock one is ideal for cutting to an opal jewellery stones. Free bonus rock will be perfect for cutting practice. Ironstone host rock mined at famous Winton opal fields. Mine Area: Central West Queensland, Australia. Total weight approximately 174 grams. Sizes approx. (1) 5 x 5 x 2 (2) 7 x 3 x 3 cm. Some photos in outdoor daylight, as-mined dry condition. Some photos wet to simulate polishing potential of the opal.
