Qashani or Kashi is the method of mosaic
Mosaic is the art of creating images with an assemblage of small pieces of colored glass, stone, or other materials. It may be a technique of decorative art, an aspect of interior decoration, or of cultural and spiritual significance as in a cathedral...

 production in the 19th century. The mosaic technique uses Persian-like floral-depicting 4- or 6-sided glazed tiles. This mosaical feature can be seen in The Dome of the Rock in Jerusalem. In Morocco, the process is known as zillij
Zellige, zillij or zellij is terra cotta tilework covered with enamel in the form of chips set into plaster. It is one of the main characteristics of the Moroccan architecture...

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