margarite

English

Etymology

From Ancient Greek μαργαρίτης (margarítēs, “a pearl”) +‎ -ite. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Noun

margarite (countable and uncountable, plural margarites)

  1. (mineralogy) A calcium-rich member of the mica group of phyllosilicates, forming white to pinkish or yellowish-gray masses or thin laminae.
  2. (obsolete) pearl

Further reading

  • “Margarite” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
  • margarite mindat.org‎, Hudson Institute of Mineralogy, accessed 29 August 2016
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