English edit

Etymology edit

Fredriksson +‎ -ite

Noun edit

fredrikssonite (usually uncountable, plural fredrikssonites)

  1. (mineralogy) An orthorhombic-dipyramidal reddish brown mineral containing boron, iron, magnesium, manganese, and oxygen.

References edit

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