gonnardite

noun

gon·​nard·​ite

ˈgänə(r)ˌdīt

plural -s

: a mineral approximately Na₂CaAl₄Si₆O₂₀.7H₂O consisting of a zeolite and occurring in radiating spherules (specific gravity 2.3)

Word History

Etymology

French gonnardite, from Ferdinand Gonnard, 19th century French mineralogist + French -ite

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