powellite

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English[edit]

Etymology[edit]

Powell +‎ -ite, after American geologist John Westly Powell (1834-1902)

Noun[edit]

powellite

Powellite
  1. (mineralogy) A tetragonal-dipyramidal mineral containing calcium, molybdenum, and oxygen.

References[edit]

  • Powellite in the Mineralogy Database: [1]