Rocky Ridge Stone 108 Gray Tumbled Cobbled Stone. Today, you’ll find Crab Orchard stone in both commercial and residential building applications. It’s gritty, non-slip surface and brilliant-when-wet colors make it a popular choice for pool decks, walkways, flooring, patios, and stairs. And the stone’s attractive colors make it a perfect accent solution for fireplaces, veneer, stacking, facings or other high visibility surfaces. Please call for special order pricing and delivery expectations.