English edit

Etymology edit

From Selwyn +‎ -ite, after A. R. C. Selwyn.

Noun edit

selwynite

  1. (mineralogy) A tetragonal-ditetragonal dipyramidal deep purplish blue mineral containing aluminum, beryllium, hydrogen, oxygen, phosphorus, potassium, sodium, and zirconium.

References edit

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