It's amazing how many different kinds of ornamental designs there are. This specific pattern, called a vegetable "islimi" pattern, stands out for its distinct aesthetic and well-defined geometric lines. Sometimes decorations include themes of zoomorphic fish. The calligraphic inscription of prayers, other texts, including passages, sayings, and suras from the Koran was highly valued. Articles written in Arabic have a certain elegance and passion. The ancient masters especially liked to work with Iranian turquoise and sard stones, which they would elaborately engrave with the owner's name and other inscriptions, along with aphorisms from the Koran. Precious gemstones like rubies (yokut), pearls (marvarid), and even diamonds were often used to embellish valuable items. Red rubies and pearls were highly prized. The symbolic language of precious jewels permeates all of East Asian poetry. Usually, the stones were said to possess magical properties.