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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

A hydrous form of silica that constitutes one variety of opal

Usage examples (5)
  • It is located in the Upper Geyser Basin, and is situated on a mound of geyserite built by its own water.
  • The geyserite, or the solid incrustations, is over 80° of silica, with
  • They come nearer in character to the Yellowstone geysers, their waters depositing true geyserite, or silicious concretions.
  • But there is no mound, and the rocks of the fissure are just beginning to get a coating of the silicious geyserite deposited from the water, so that it cannot long have... for more
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