18.1ct Queensland Boulder Opal

18.1ct Queensland Boulder Opal
Slimline semi-polished gem with the main face in blue and a matrix of many colours to the face and side. Colours include green, orange, yellow & purple.
Dimensions: 31.3 x 7 x 8.1mm.
$120 AUD. Free Shipping within Australia. Insurance can be arranged at buyers expense.