Ключевые слова: abstract, amethyst, background, beauty, black, bright, closeup, crystal, crystalline, decoration, druse, esoteric, expensive, facet, gem, gemology, gemstone, geology, glass, green, healing, jewel, jewelry, light, lilac, luxury, macro, mineral, mineralogy, nature, pattern, precious, purple, quartz, rare, raw, reflection, rock, rough, science, semiprecious, shiny, specimen, stone, texture, therapy, transparent, violet, white,