- a variety of siliceous sinter deposited about the orifices of geysers and hot springs.
Origin of geyserite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for geyserite
Everywhere steaming hot springs are seen, also mounds and cones of 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.
Of what use are pieces of geyserite when taken away from their natural environment?
This particular form of Opal is known as geyserite, and it is often differently colored by different ingredients.
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
- 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