Dimensions: 33.14 x 22.84 x 4.90mm
 
White Cliffs, located in northwestern New South Wales, Australia, is renowned for its production of crystal opal, a variety prized for its clarity and vibrant play-of-color. The opal fields here were among the first in Australia to be commercially developed, with significant mining activity beginning in 1889. The discovery of opal in White Cliffs is attributed to a group of kangaroo hunters who brought samples back to Adelaide, leading to the confirmation of its quality