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erionite

noun er·i·o·nite \ ˈerēəˌnīt \

Definition of erionite

plural -s
: a mineral NaKCaAl4Si12O32.12H2O consisting of zeolitic aluminosilicate of sodium, potassium, and calcium occurring in aggregates of orthorhombic fibrous white crystals resembling wool (specific gravity 2)

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Origin and Etymology of erionite

Greek erion wool + English -ite

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