I know of no white sand desert in Mexico. However, there is White Sands National Monument in the Chihuahuan Desert of south central New Mexico. The entrance is just a few miles southwest of Alamagordo, New Mexico. For information on this national monument click here.
Yes, gypsum can be found in deserts. A good example is White Sand National Monument in the Chihuahuan Desert in New Mexico.
White Sands is located in south-central New Mexico, about 90 miles north of El Paso, Texas. It is a vast area of white gypsum sand and is part of the Chihuahuan Desert.
Sand in a desert may be any color - red, brown, yellow, black or white - depending upon the color of the rock which formed the sand.
Beach sand with a white hue usually comes from eroded coral. White Sands, New Mexico is famous for the white sand which originates from gypsum deposits from an ancient sea.
Minerals, especially gypsum, is weathered out of the surrounding mountains by rainfall. It is washed onto the floor of the desert where the water evaporates leaving a deposit of white gypsum sand. Wind may then carry this white sand to the surrounding desert and form dunes.
The Sahara and Great Sand Sea are the largest Egyptian deserts.
White Sand National Monument, in New Mexico.
Sand, sand, and desert sand
Yes, beach sand is usually made up of broken down shells, coral, and rocks, giving it a white or golden color, while desert sand is typically more finely grained and composed of quartz. The composition and color of the sand can vary based on the location and geological processes that shape the specific sand type.
gypsum
A hill of sand in a desert is normally referred to as a dune
The Arabian Desert is the largest sand desert.