Zircon from selected localities.
USA | |
| Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470). |
| |
| P. Cristofono collection, 2013 |
USA | |
| Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470). |
| |
| P. Cristofono collection, 2013 |