Gypsum, a natural mineral made largely of calcium sulfate dihydrate, has a variety of uses dating back centuries, from lining walls to serve as a fire retardant for Mesopotamians to a plaster ...

Step into the world of artistry with unique clay and gypsum masks, expertly crafted by a master! Get ready to be amazed as these stunning creations come to life, perfect for a vibrant carnival ...

Alas, environmentalists blocked the road-building efforts, arguing that roads, too, could be made unstable and leach contaminated gypsum via the wear of traffic or through washouts and the like.