penroseite

noun
pen·​rose·​ite | \ ˈpenˌrōˌzīt \
plural -s

Definition of penroseite

: a mineral (Ni,Cu,Pb)Se2 structurally like pyrite consisting of a selenide of lead, copper, and nickel and occurring in lead gray radiating columnar masses (hardness 3, specific gravity 6.9)

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History and Etymology for penroseite

Richard A. F. Penrose †1931 American geologist + English -ite

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Cite this Entry

“Penroseite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/penroseite. Accessed 18 Jun. 2021.

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