Meaning of aegirite

ae•gir•ite

Pronunciation: (ā'gu-rīt", ē'ju-), [key]
— n.
  1. a mineral, mainly sodium-ferric iron silicate, NaFe&multiplydot;(SiO), occurring in feldspathoid rocks in slender prismatic crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.