The Opalton Boulder Opal Gemstone is a polished stone from Queensland, Australia. This bi-coloured/multicoloured gemstone is opaque and has excellent cut grade with opalescence and iridescence effects. With a drop shape and measurements of 9mm length, 5mm width, and 4mm depth, this natural gemstone is eye clean and sourced directly from Australia. Suitable for jewellery making, this wholesale gemstone offers a unique and stunning addition to any collection.