English edit

Etymology edit

This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

? + -ite

Noun edit

semseyite (countable and uncountable, plural semseyites)

 
Semseyite.
  1. (mineralogy) A monoclinic-prismatic mineral containing antimony, lead, and sulfur.

References edit

  • David Barthelmy (1997–2024) “Semseyite”, in Webmineral Mineralogy Database.