English edit

Etymology edit

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

Noun edit

posnjakite (uncountable)

  1. (mineralogy) A particular mineral containing copper, sulphur, hydrogen, and oxygen.

Further reading edit

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