Ключевые слова: aggregate, amulet, atomic structure, cat eye, celestial, chatoyancy, chatoyant, chlorite, clinichlore, clinochlore, concentration, concretion, crystal aggregate, crystallization, crystals, feathers, gemology, gemstone, green, grown together, inclusion, inclusions, inorganic, iron mine, irregular shapes, irregular stripes, luminosity, lustre, metallic luster, mica, mineral aggregate, mineral stone, mineralogy, minerals, opalescence, polished stone, precious stone, radial, radiate, russian, semiprecious, seraph, seraphinite, siberia, silvery white, structure, unpolished,