steatite

Soapstone: an impure massive variety of talc. Also called potstone.

A gem or seal, cut in steatite.

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.

soapstone

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