Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (eds.). "Hoelite"(PDF). Handbook of Mineralogy. Chantilly, VA: Mineralogical Society of America. Archived from the original(PDF) on 4 March 2016. Retrieved 12 September 2017.
Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (eds.). "Hoelite"(PDF). Handbook of Mineralogy. Chantilly, VA: Mineralogical Society of America. Archived from the original(PDF) on 4 March 2016. Retrieved 12 September 2017.