English Explanatory Dictionary

stillwellite

English dictionary entry

Meanings

noun
  1. A trigonal-pyramidal rare earth borosilicate mineral.

Word forms

stillwellite

Etymology

Named after Australian mineralogist Frank Leslie Stillwell (1888–1963), + -ite. As a rare earth mineral ore, it usually requires a suffix of the element (i.e. Stillwellite-(Ce)).

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