"...Good question." She puts her hands on her hips and looks around a little more carefully, scanning the ground for a moment until...

"Oh!" Peridot bends over and starts scrabbling in the dirt for something, and then pulling at that something, grunting until the object in question tugs free from the earth and she falls back a negligible distance on her ass.

She blinks for a moment, and then holds up half of a brick. "What about this!? It's got a good heft to it..."