Ключевые слова: background, black, close, collection, color, dark, decorative, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, granite, green, isolated, jade, jadeite, jewelry, light, little, macro, material, mineral, natural, nephrite, object, ore, ornamental, pebble, piece, polished, raw, rock, sample, semiprecious, shooting, slab, small, specimen, stone, surface, texture, textured, tumbled, up,