Ключевые слова: abstract, art, background, beauty, chromium, collection, color, crystal, crystalline, decorative, diamond, environment, garnet, gem, gemstone, geological, geology, glass, green, isolated, jade, jewelry, little, macro, material, mineral, mineralogy, natural, nature, object, ornamental, pattern, piece, precious, raw, rock, rough, sample, semiprecious, small, specimen, stone, structure, surface, texture, traditional, uvarovite, white,