Monir is best known for her mirror-works, in which cut polygonal fragments of reflective, reverse-painted glass are arranged into kaleidoscopic compositions grounded on principles of Islamic geometry.
Her work is held in the permanent collections of major institutions worldwide, including the Alfond Collection of Contemporary Art, Cornell Fine Arts Museum, Rollins College, Winter Park, FL; The Andy Warhol Museum, Pittsburgh, PA; the Barry Art Museum, Norfolk, VA; Grand Rapids Museum of Art, Grand Rapids, MI; Guggenheim Museum, Abu Dhabi, United Arab Emirates; High Museum of Art, Atlanta, GA; Hirshhorn Museum and Sculpture Garden, Washington, DC; Louis Vuitton Foundation, Paris, France; M+ Museum, Hong Kong; McNay Art Museum, San Antonio, TX; Metropolitan Museum of Art, New York, NY; Monir Museum, Negarestan Museum Park Gardens, Tehran, Iran; Museum of Contemporary Art, Tokyo, Japan; Museum of Contemporary Art, Chicago, IL; Museum of Fine Arts, Boston, MA; Museum of Fine Arts, Houston, TX; Museum of Modern Art, Tehran, Iran; Niavaran Cultural Center, Tehran, Iran; Queensland Gallery of Contemporary Art, Queensland, Australia; Sharjah Art Foundation, Sharjah, United Arab Emirates; Solomon R. Guggenheim Museum, New York, NY; Tate Modern, London, United Kingdom; Tehran Museum of Contemporary Art, Tehran, Iran; Toledo Art Museum, Toledo, OH; Victoria and Albert Museum, London, United Kingdom.