Calcium sulfate is used in white paints, soil conditioner, in Portland cement, as a sizer, filler, and coating agent in papers, in the manufacture of sulfuric acid and sulfur, in the metallurgy of zinc ores, and as a drying agent in many laboratory and commercial processes.

<a href="http://science.jrank.org/pages/1124/Calcium-Sulfate.html">CalciumSulfate</a>