Malachite from selected localities.
USA | |
| Gleba, 1978. Massachusetts Mineral & Fossil Localities; Emerson, B. K (1882) The Deerfield Dyke and its minerals. American Journal of Science 3rd series XXIV:270-278,349-359. |
| Smock, John C. (1883) The Useful Minerals of the United States in Mineral Resources of the United States, USGS, 1883. |
Cheapside Quarry, Deerfield, Franklin County, Massachusetts, USA