Definition of willemite in English:

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Pronunciation: /ˈwɪləmʌɪt/


[mass noun]
A mineral, typically greenish-yellow and fluorescent, consisting of a silicate of zinc.
Example sentences
  • Associated minerals can include cerussite, anglesite, pyromorphite, smithsonite, hemimorphite, wulfenite, willemite, vanadinite, descloizite, caledonite, and others.
  • Hemimorphite, cerussite, willemite, and chrysocolla occur in all the mines.
  • Local collectors had tentatively identified it as willemite or smithsonite, based perhaps on the occurrence of botryoidal blue hemimorphite at the same locality.


Mid 19th century: from the name of Willem I (1772–1843), king of the Netherlands, + -ite1.

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Line breaks: willem|ite

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