loodusliku kipsi kuumutamisel (põletamisel 140−190 °C) saadav kips koostisega: CaSO4 · 0,5H2O; kasutusel kipsvormide valmistamisel, samuti ehituses (vt kips), calcined gypsum, CaSO4.1/2H2O, which forms a quick-setting cement when mixed with water; used in building construction, as a casting mold material, as a bedding medium in glass grinding and polishing etc (see: gypsum)