Lewis & Short

candĕ-făcĭo, fēci, factum, 3, v. a. [candeo].

  1. I. (Cf. candeo. I., and candidus.) To make dazzlingly white (ante- and postclass.): argentum, Gell. 6, 5, 9; and jestingly: ebur atramento candefacere, of an impossibility, Plaut. Most. 1, 3, 102; cf. atramentum.
  2. II. To make glowing, to make red hot (very rare, not in Cic.): quae candefieri non possunt, Plin. 33, 3, 20, § 64: lapides candefactos, id. 34, 8, 20, § 96; 25, 10, 76, § 123; Cels. 6, 8, 1.