it is hard to find this kind of sand in other parts of the world because gypsum dissolves easily in water. but because lake lucero is in the Chihuahuan desert,hugs gypsum dunes have been able to form here.over millions of years, the tiny nits of gypsum crystals been blown by the wind and collected in to a large desert of white sand dunes that now covers more than 660,000 square kilometers.