stillwellite

S1T1I1L1L1W4E1L1L1I1T1E1

noun

A trigonal-pyramidal rare earth borosilicate mineral.

Scrabble 15
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Meanings

nounstillwellite (uncountable)
  1. uncountablechemistryA trigonal-pyramidal rare earth borosilicate mineral.

Origin

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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Cite this entry
APA

stillwellite. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/stillwellite

MLA

“stillwellite.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stillwellite. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “stillwellite,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/stillwellite.

Source: stillwellite on Wiktionary, CC BY-SA 4.0.