Assertion: gypsum | /r/HasProperty | mined
Facets:
value: from deposits
type: LOCATION
value: widely
type: DEGREE
Source sentences:
text: 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.
text: Gypsum is a mined mineral made up of hydrous calcium sulphate.
text: After gypsum is mined and manufactured into drywall, it’s shipped out to contractors and retailers to be used for new construction.
text: Also referred to as hydrous calcium sulfate (CaSO4.2H2O), gypsum is mined from deposits formed by ancient seabeds as a raw material for many different manufacturing, industrial, and agricultural uses.
text: Since it normally is found close to the surface, gypsum can be mined or quarried easily.