brewsterite

noun

brew·​ster·​ite

-əˌrīt

plural -s

: a mineral consisting of a zeolite containing barium and strontium (Sr,Ba,Ca)Al₂Si₆O₁₆.5H₂O (hardness 5, specific gravity 2.45)

Word History

Etymology

Sir David Brewster + English -ite

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