margarodite

M3A1R1G2A1R1O1D2I1T1E1

noun

A hydrous potash mica related to muscovite.

Scrabble 15

Meanings

nounmargarodite (countable and uncountable, plural margarodites)

plural margarodites

  1. countableobsoleteuncountablechemistryA hydrous potash mica related to muscovite.

    The alumina of the topaz has gone to form muscovite of the variety known as margarodite with less margarite.

    1921, Proceedings of the United States National Museum, United States National Museum
    2 more examples

    This optical peculiarity of the Breezy margarodite distinguishes it from the margarodite of the Leinster granite, in which the plane of the optical axes coincides with the long diagonal of the primary rhomb, joining its acute angles.

    1862, The Quarterly Journal of the Geological Society of London, page 415

    Margarodite, as named by Schafhäutl, was the talc-like mica of Mt. Greiner in the Zillerthal (anal. 36); granular to scaly in structure, luster pearly, color grayish white.

    1904, James Dwight Dana, The System of Mineralogy of James Dwight Dana, 1837-1868

Origin

  1. Ancient Greekμάργαρον“pearl”
  2. Medieval Greekμαργαρώδης“pearl-like”
  3. GermanMargarodit
  4. Englishmargarodite

Borrowed from German Margarodit (coined in 1843 by Dr. Carl Schaffhäutl), from Medieval Greek μαργαρώδης (margarṓdēs, “pearl-like”), from Ancient Greek μάργαρον (márgaron, “pearl”); see μαργαρίτης (margarítēs).

Full word history & related roots →

Translations

Finnish margarodiitti
  • margarodiittiTranslations
German Margarodit
  • MargaroditTranslations
Cite this entry
APA

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

MLA

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

Chicago

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

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