Ключевые слова: amethyst, chunks, close ups, crude, crystallic, crystals, decorative stones, edgy, fluorite, fluorspar, gemstones, glassy, glistening, glittery, glowing, light, lucid, lustrous, minerals, natural colored, on black, ornamental stones, pellucid, prism, prismatic, prismatical, quartz, rock crystal, rocks, rough, samples, semi precious, semi transparent, semiprecious, semitransparent, set, sharp, shiny, sparkling, specimens, stones, translucent, transparent, unpolished, vitreous,