roeblingite

noun

roe·​bling·​ite

ˈrōbliŋˌīt

plural -s

: a mineral supposedly Ca₇Pb₂H₁₀(SO₄)₂(SiO₄)₆ consisting of an acid lead calcium silicate and sulfate occurring in white crystalline masses (hardness 3, specific gravity 3.4)

Word History

Etymology

Washington A. Roebling †1926 American civil engineer + English -ite

First Known Use

1897, in the meaning defined above

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