Ключевые слова: background, beautiful, black, bright, closeup, collection, color, colorful, crystal, dark, detail, diamond, enhydro, fluorescence, fluorescent, gem, gemology, gemstone, geology, glowing, hydrocarbon, inclusion, isolated, jewel, jewelry, light, macro, material, mineral, mineralogy, natural, nature, object, oil, ore, petroleum, precious, quartz, rare, rarity, raw, rock, rough, sample, specimen, stone, streak, texture, uncut, uv,