A long and lovely rectangle boulder opal with turquoise green and cool blue stripes down one end and light green and caramel potch down the other. Definitely a mini-picture stone too, representing sea and sand.
18.1 x 7.3 mm / 0.71 x 0.28".
5.5 mm / 0.21" thick.
Natural solid boulder opal.
Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.