Hypertext Webster Gateway: "potstone"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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}.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Potstone \Pot"stone`\, n. (Min.)
A variety of steatite sometimes manufactured into culinary
vessels.
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