DICT.TW Dictionary Taiwan

 Sin·ter n.  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.
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