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