"A new zealand green mussel - shell fish - against white. Incidentally, this is female, thus the orange flesh, not white. I needed this for a personal project, thought it might come in handy."
Price: 10
"After the arrival of the arid climate of recent times, flash floods began washing away the protective ground surface. As they were exposed, the huge eroded boulders settled one on top of another, creating those impressive rock piles we see today.