Ключевые слова: background, beautiful, close up, closeup, collection, copper, copper nugget, crystal, crystals, earth, gem, gemology, gemstone, geological, geology, gold, golden, green, industrial, iron, isolated, jewellery, jewelry, macro, malachite, metal, metallic, mineral, mineralogy, mining, nature, nugget, object, ore, pebble, precious, pure, pyrite, quartz, rare, raw, raw materials, rock, sample, science, sparkle, specimen, stone, texture, treasure,