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geyserite

[gahy-zuh-rahyt, -suh-] /ˈgaɪ zəˌraɪt, -sə-/
noun, Petrology
1.
a variety of siliceous sinter deposited about the orifices of geysers and hot springs.
Origin of geyserite
1805-1815
1805-15; geyser + -ite1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for geyserite

geyserite

/ˈɡiːzəˌraɪt/
noun
1.
a mineral form of hydrated silica resembling opal, deposited from the waters of geysers and hot springs. Formula: SiO2.nH2O
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
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