English edit

Etymology edit

Named after James Apjohn (1796-1886), Professor of Mineralogy at Trinity College, Dublin and the person who first described the mineral.

Apjohn + -ite

Noun edit

apjohnite

  1. (mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, manganese, oxygen, and sulfur.

References edit

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