Ключевые слова: background, beautiful, beauty, black, blue, bright, clear, closeup, color, crystal, crystalline, dioxide, esoteric, facet, gem, gemology, gemstone, geologic, geological, geology, healing, isolated, jewel, jewelry, macro, mineral, mineralogy, mountain, natural, nature, pattern, precious, quartz, raw, reflection, rock, rough, semiprecious, sharp, shine, shiny, silica, silicon, specimen, stone, structure, texture, translucent, transparent,