Gypsum is a soft, white or light gray mineral that is commonly used in construction and as a fertilizer. It is composed of calcium sulfate dihydrate (CaSO4·2H2O) and has a hardness of 2 on the Mohs scale.
One more great bedroom design by NIETO design with interesting wall panels made of gypsum board (drywall). (decoholic.org)
Al - Hadid's works first take form on Mylar, and later transform onto panels and monumental sculptures comprised of polymer gypsum, plaster, fiberglass, wood and steel. (eiu.edu)
Or different types of flooring, or different types of paint, or different types of gypsum board, or other types of board. (treehugger.com)