Diopside from selected localities.
USA | |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 75. |
| Lupulescu, Marian: Rocks& Min. -- May/June 2008 |
| Marian Lupulescu (2008) Rocks and Minerals, 83, #3. |
New York State Museum specimens | |
Marian Lupulescu (2008) Rocks and Minerals, 83, #3. |