Question

.what is Gypsum . explain ​

Answer 1

Explanation:

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.

Mohs scale hardness: 1.5–2 (defining mineral for 2)

Category: Sulfate minerals

Crystal class: Prismatic (2/m); H-M symbol: (2/m)

Specific gravity: 2.31–2.33

Answer 2

Explanation:

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.