Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Phenakite"(PDF). Handbook of Mineralogy. Mineral Data Publishing. Archived(PDF) from the original on 2018-09-01. Retrieved 14 March 2022.
Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Phenakite"(PDF). Handbook of Mineralogy. Mineral Data Publishing. Archived(PDF) from the original on 2018-09-01. Retrieved 14 March 2022.
One or more of the preceding sentences incorporates text from a publication now in the public domain: Spencer, Leonard James (1911). "Phenacite". In Chisholm, Hugh (ed.). Encyclopædia Britannica. Vol. 21 (11th ed.). Cambridge University Press. p. 364.