Martite from Piedmontia Domain, North America Plate
USA | |
| Genth,F,A and Kerr, W.C.,1881,Mineral and Mineral Localities of North Carolina,Geological Survey , North Carolina |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |
| Dietrich, R. V. (1990) Minerals of Virginia. Virginia Geological Survey. |