Epidote from Chester County, Pennsylvania, USA
USA | |
| Mineral Collecting in PA (1976) Geyer, Smith, Barnes, pgs. 73-75 |
| Rocks & Min.:64:7. Mineralogical Record, 25(2),pp:105-120. |
| Ronald A. Sloto (2009) The Mines and Minerals of Chester County, Pennsylvania |
Sloto Ronald A. The Mines and Minerals of Chester County, Privately Published, 2009, 246-247 | |
Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 178 | |
| The Minerology of Pennsylvania Samual Gordon, pgs. 189 |