geyserite


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geyserite

[′gī·zə‚rīt]
(mineralogy)
References in periodicals archive ?
(t) Geyserite and valentinite formed by the supergenetic oxidation of assemblage 5 quartz-stibnite-cinnabar ore.
Previously, the oldest known geyserite had been identified from rocks about 400 million years old.
They interpreted the deposits were formed on land, not in the ocean, by identifying the presence of geyserite - a mineral deposit formed from near boiling-temperature, silica-rich, fluids that is only found in a terrestrial hot spring environment.