Category:Talc

Talc, n. Etym: [f. talc; cf. Sp. & it. talco, ll. talcus; all fr. Ar. Talq.] (min.)

Defn: a soft mineral of a soapy feel and a greenish, whitish, or Grayish color, usually occurring in foliated masses. It is hydrous Silicate of magnesia. Steatite, or soapstone, is a compact granular Variety. Indurated talc, an impure, slaty talc, with a nearly compact Texture, and greater hardness than common talc; -- called also talc Slate.