penroseite

noun pen·rose·ite \ˈpenˌrōˌzīt\

Definition of penroseite

plural

-s

  1. :  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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Origin and Etymology of penroseite

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


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