1. Australia white Opal (oval shape) 13mm x 10mm x 3mm 2.9ct $300 2. Australian white Opal(square shape) 15mm x15mm x 3mm 6ct $300 Total $600 The Solid Opals were mined in the state of South Australia near the town of Coober Pedy. A certificate of authenticity stating that the opal in the earrings are Natural Solid Australian Opal is included,