Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C., (Ed.) (1995). "Topaz"(PDF). Handbook of Mineralogy. II (Silica, Silicates). Chantilly, VA, US: Mineralogical Society of America. ISBN978-0-9622097-1-0. Erişim tarihi: 5 Aralık 2011.