Ключевые слова: chrome, chrome diopside, chromediopside, chromian, clear, close up, collection, crystal, crystalline, decorative, diopside, gem, gemmological, gemmology, gemological, gemology, gemstone, geological, geology, gray, gray background, green, jewelry, little, macro, mineral, natural, object, ornamental, piece, precious, raw, rock, rough, sample, semiprecious, siberian emerald, small, specimen, stone, structure, surface, texture, textured, translucent, transparent, white, white background, yakut emerald,