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Soap Stone
May 28, 2021
Gem Stones
May 28, 2021

Gypsum Stones

Crude gypsum is used as a fluxing agent, fertilizer, filler in paper and textiles, and retarder in portland cement. About three-fourths of the total production is calcined for use as plaster of paris and as building materials in plaster, Keene’s cement, board products, and tiles and blocks.

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