hieratite

noun hi·er·a·tite \ ˈhīərəˌtīt \

Definition of hieratite

plural -s
: a mineral K2SiF6 consisting of potassium fluosilicate found as grayish concretions in the fumaroles of Vulcano

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Origin and Etymology of hieratite

Italian, from Hiera (Vulcano), one of the Lipari islands, Italy + Italian -ite


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