Epidote from selected localities.
USA | |
| Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York, 532 pages. |
| Rocks & Min.: 13:183; 21:75. |
| Gleba, 1978. Massachusetts Mineral & Fossil Localities; Rocks & Min.: 22:209. |
| Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470). |
Blueberry Mountain Quarry, Woburn, Middlesex County, Massachusetts, USA