geyserite

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noun gey·ser·ite \ˈgī-zə-ˌrīt, British ˈgā-sə-\

Definition of geyserite

  1. :  a variety of opal that is deposited around some hot springs and geysers in white or grayish concretions

Origin and Etymology of geyserite

French geysérite, from geyser, from Icelandic Geysir


First Known Use: circa 1814


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