hauynite

noun
ha·​uy·​nite | \ äˈwēˌnīt\
variants: or hauyne \ äˈwēn \
plural -s

Definition of hauynite

: an isometric silicate mineral (Na,Ca)48Al6Si6O24(SO4)1− consisting of sulfate of aluminum, calcium, and sodium and occurring commonly as rounded grains in various igneous rocks (hardness 5.5–6, specific gravity 2.4–2.5)

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History and Etymology for hauynite

hauynite from hauyne + -ite; hauyne from French haüyne, from Abbé René Just Haüy †1822 French mineralogist + French -ine

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