Know The Mineral

Gypsum

August 1, 2021



  • gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate
  • commonly found in layered sedimentary deposits in association with halite, anhydrite, sulfur, calcite, and dolomite
  • it is used in the manufacture of wallboard, cement, plaster of Paris, soil conditioning.

Chemical Classification

Sulfate

Colour

Clear, colorless, white, gray, yellow, red, brown

Streak

White

Mohs Hardness

2

Chemical Composition

Hydrous calcium sulfate, CaSO4.2H2O