Steatite

n.

1.

(Min.) A massive variety of talc, of a grayish green or brown color. It forms extensive beds, and is quarried for fireplaces and for coarse utensils. Called also potstone, lard stone, and soapstone.

Noun

1.

steatite - a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments Synonyms: soap-rock, soaprock, soapstone

soap-rock, soaprock, soapstone, talc, talcum