↑Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., (Ed.) (1990). "Pyroxmangite". Handbook of Mineralogy(PDF). II (Silica, Silicates). Chantilly, VA, US: Mineralogical Society of America. ISBN0962209716. Erişim tarihi: 5 Aralık 2011.