Ключевые слова: abstract, angled, angular, architecture, asymmetric, asymmetry, boulder, cobbles, crystal, debris, different, dirty, edge, edgy, erosion, forms, fossil, gems, gemstones, geology, geometric, grain, granite, gravel, grit, grungy, hard, irregular, limestone, macadam, masonry, mineral, miscellaneous, monochrome, nature, pebble, random, rectangular, rock, rocky, rough, shape, sharp, shatter, slash, square, stone, textured, trace, various,