Question

Why is White Sands Desert in New Mexico so purely white?


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Answer 1

Explanation:

The desert

=>Its white sands are not composed of quartz, like most desert sands, but of gypsum and calcium sulfate. Unlike other desert sands,

it is cool to the touch, due to the high rate of evaporation of surface moisture and the fact that the sands reflect, rather than absorb, the sun's rays.

Answer 2

Explanation:

Gypsum is actually a clear substance; the dunes appear white like snow because the gypsum grains are constantly banging into each other. The scratches then reflect the sun's rays making them appear white.