Source : Webster's Revised Unabridged Dictionary (1913)

Steatite \Ste"a*tite\, n. [Gr. ?, ?, fat, tallow: cf. F.
   st['e]atite.] (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}.