Landscape Rock Black Beach Pebbles Black Obsidian 1.5inch Bone Creek 2-3inch Boulder Creek 2-4inch Butter Rock 1.5inch Desert Rose 3-4inch Eastern Pea Gravel quarter inch Eastern River 1inch Eastern River 2inch Gold Ore 2inch Rainbow Rock 2inch Rainbow Rock 3-6inch Rainbow Rock 4-8inch Rocky Ridge 2-4inch Salt n Pepper Granite Solar Rock 3-4inch Western Pea Gravel half – three quarter inch Western River 2inch