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.

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.


© Webster 1913.

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