(ˈbrɔɪnəˌraɪt) n (Minerals) an iron-containing type of magnesite used in the manufacture of refractory bricks[C19: named after Count Breunner, Austrian nobleman, + -ite1]
breunnerite
breunnerite
[′brȯin·ə‚rīt] (mineralogy) (Mg,Fe,Mn)CO3 A carbonate mineral consisting of an isomorphous system of the metallic components.