: a variety of opal that is deposited around some hot springs and geysers in white or grayish concretions
Examples of geyserite in a Sentence
Recent Examples on the WebIn a breakthrough, Djokic and her team found evidence of a rock called geyserite at the Dresser Formation, according to their study published this week in the journal Nature Communications.
Ben Panko, Smithsonian, 11 May 2017
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