rensselaerite

noun

rens·​se·​laer·​ite

ˈren(t)sələˌrīt,

¦ren(t)sə¦liˌrīt

plural -s

: a soft compact talc that is an altered pyroxene and is often worked in a lathe into articles (as inkstands)

Word History

Etymology

Stephen Van Rensselaer †1839 American army officer and politician + English -ite

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