Violarite from Virginia, USA
USA | |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) Handbook of Mineralogy Vol. 1 - Elements, Sulfides, Sulfosalts. Mineral Data Publishing, Tucson, Arizona. |