edingtonite

noun

ed·​ing·​ton·​ite

ˈediŋtəˌnīt

plural -s

: a grayish white zeolitic mineral BaAl₂Si₃O₁₀.4H₂O consisting of hydrous aluminum barium silicate (hardness 4–4.5, specific gravity 2.69)

Word History

Etymology

after Edington, 19th century Scottish who found it

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