margarite

From Ancient Greek μαργαρίτης (margarítēs, “a pearl”). Doublet of Margaret (and various forms, q.v.), margarita, Margherita, and marguerite.

margarite (countable and uncountable, plural margarites)

1. (obsolete) pearl

• margarine

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

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margarite

Wikipedia

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.

• David Barthelmy (1997–2024) “Margarite”, in Webmineral Mineralogy Database.
• “margarite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2024.