Above the Spearfish formation is a thin band of white gypsum, called the Gypsum Spring Formation.

White Sands was a hole in the world, a moonscape of white gypsum and rock with only rattlesnakes for company.

The NSA man was covered in white gypsum, and a faint blue halo hung around his head.

Evaporite deposits of a few beds of white gypsum (calcium sulfate) were likely formed after shallow bodies of salt water were cut off from the sea.

When they had reached the edge of the white gypsum, the light horse and mounted rifle brigades formed a line, fixed bayonets, and charged over the exposed country.

The pure white gypsum had to be dyed with thousands of gallons of biodegradable red food dye to recreate the Martian landscape.

In sector 1 two excavations showed that the interior walls of the structure were not plastered with clay or white gypsum.

And suddenly there was Cornelius: hot, disheveled, pink with sunburn, tie knot loosened, white gypsum clinging to the fabric of his suit pants.

It seems the palace walls were mostly covered with a layer of white gypsum; there has been no reconstruction.

She got some white gypsum, put it in a mortar and finely pulverized it, and put it in a sample bag.