soapstone

noun

A soft metamorphic rock composed mostly of the mineral talc.

noun

A variety of steatite (see talc); specifically, a piece of such stone used when heated for a griddle, a foot-warmer, or other like purpose.

noun

See steatite, and talc.

noun

a soft rock, rich in talc, also containing serpentine and either magnetite, dolomite or calcite

noun

a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments