Ключевые слова: abstract, backdrop, background, black, close up, collection, color, decorative, earth, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, isolated, jewelry, little, macro, manganese, material, mineral, mineralogy, natural, nature, object, ornamental, pattern, piece, pink, polished, raw, red, rhodonite, rock, rough, sample, semiprecious, small, specimen, stone, structure, surface, texture, textured, white,