Ключевые слова: background, black, brown, close, collection, dark, decorative, gem, gemstone, geological, geology, glitter, gloss, gray, haematite, hematite, iron, kidney, little, luster, macro, material, metal, metallic, mineral, native, natural, nature, nugget, object, ore, ornamental, pebble, piece, raw, reniform, rock, rough, sample, shine, shooting, small, specimen, stone, structure, surface, texture, textured, white,