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River Sand Mining Machinery

Gypsum composition of river sand gypsum - wikipedia.Because gypsum dissolves over time in water, gypsum is rarely found in the form of sand.However, the unique conditions of the white sands national park in the us state of new mexico have created a 710 km 2 270 sq mi expanse of white gypsum sand, enough to supply the us construction industry with drywall for 1,000 years.

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