'Calcareous sinter' definitions:

Definition of 'Calcareous sinter'

From: GCIDE
  • Sinter \Sin"ter\, n. [G. Cf. Cinder.] (Min.) Dross, as of iron; the scale which files from iron when hammered; -- applied as a name to various minerals. [1913 Webster]
  • Calcareous sinter, a loose banded variety of calcite formed by deposition from lime-bearing waters; calcareous tufa; travertine.
  • Ceraunian sinter, fulgurite.
  • Siliceous sinter, a light cellular or fibrous opal; especially, geyserite (see Geyserite). It has often a pearly luster, and is then called pearl sinter. [1913 Webster] Sintoism Sintu Sinto