[ gahy-zuh-rahyt, -suh- ]
/ ˈgaɪ zəˌraɪt, -sə- /

noun Petrology.

a variety of siliceous sinter deposited about the orifices of geysers and hot springs.

Nearby words

  1. gewgaw,
  2. gewürztraminer,
  3. gey,
  4. geyser,
  5. geyser basin,
  6. gezer,
  7. gezira,
  8. gf,
  9. gfe,
  10. gfr

Origin of geyserite

First recorded in 1805–15; geyser + -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for geyserite

  • The Brilliant is a beautiful blue hot spring and near to it is the Comet, which has built up a small cone of geyserite.

  • Everywhere steaming hot springs are seen, also mounds and cones of geyserite.

  • The Constant is visible from the roadway in the bottom of a large tract of geyserite which is unsafe for pedestrians.

    The Yellowstone National Park|Hiram Martin Chittenden
  • Of what use are pieces of geyserite when taken away from their natural environment?

British Dictionary definitions for geyserite


/ (ˈɡiːzəˌraɪt) /


a mineral form of hydrated silica resembling opal, deposited from the waters of geysers and hot springs. Formula: SiO 2 . n H 2 O
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012