Ключевые слова: aluminum, background, brown, close, collection, cross, crystal, crystalline, crystals, decorative, fairy, gemstone, geological, geology, iron, isolated, little, macro, material, matrix, mica, mineral, mineralogy, mountains, natural, nature, object, ornamental, pebble, peninsula, piece, raw, rock, rough, sample, schist, shale, shape, shaped, small, specimen, staurolite, stone, structure, surface, texture, textured, up, white,