breunnerite Min.
(ˈbrɔɪnəraɪt)
[f. the name of Count Breunner, a 19th-cent. Austrian nobleman: see -ite1.]
The name given by Haidinger to a variety of magnesite in which some of the magnesium is replaced by iron.
| 1825 Haidinger tr. Mohs' Treat. Min. I. 411 Brachytypous. Rhombohedral... Breunnerite. 1857 J. D. Dana Man. Min. (new ed.) vi. 248 Mesitine spar, (Breunnerite.) A carbonate of iron and manganese occurring in yellowish rhombohedrons. 1929 H. A. Miers Mineralogy (ed. 2) I. iii. 255 The anhydrous rhombohedral carbonate known by the name of breunnerite. 1960 W. H. Dennen Princ. Min. vii. 288 Magnesite... Chemical varieties: Ferroan (breunnerite), manganoan, calcian. |