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geyserite

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noun gey·ser·ite \-zə-ˌrīt\

Definition of geyserite

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



Origin of geyserite

French geysérite, from geyser, from Icelandic Geysir


First Known Use: circa 1814


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