Ключевые слова: background, beautiful, blue, boulder, close up, closeup, colorful, esoteric, ethiopian, gem, gemmology, gemology, gemstone, geological, geology, healing, industry, iridescent, jewel, jewelry, light, magical, mine, mineral, mineralogy, natural, nature, opal, ornamental, practice, precious, quartz, rainbow, raw, resources, rock, rough, semiprecious, shiny, show, specimen, stone, uncut, unprocessed, valuable, white,