stacked stone slabs at a stonepit - rocks with irregular flat , yellow and gray colored, crushed in a quarry

aggregate backdrop background big block blocks blue boulder boulders broken coarse cracked crushed crusher dark debris flag flagstone flagstones formless fragment fragments geological geology graded granite gravel gray grey grit heap heavy industrial industry irregular large layer layers light loose mine mineral natural pattern pieces pile piled pit plate plates quarry raw refracted rock rocks rocky rough rubble shape shapes shingle size sizes slab slabs stack stacked stone stonepit stones stoneware stony structure structured surface texture textured unformed wallpaper yellow