Ключевые слова: abstract, background, black, bright, clear, closeup, cluster, crimson, crystal, crystalline, crystallization, crystallography, crystals, diamond, facet, faceted, formed, gem, gemstone, geologic, geological, glass, glossy, hard, illuminated, jewel, jewelry, light, macro, mineral, minerals, pattern, pink, precious, pure, purple, quartz, quarz, rock, semiprecious, shine, shining, shiny, stone, texture, transparent,