Chrysocolla from Black Hills, USA
USA | |
| Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin 18. South Dakota School of Mines and Technology |
| Overman, V.K. (1935) Collecting in the Black Hills. Rocks & Minerals, 52:10, 148. |
| Seaman, David (1976) Pegmatite Minerals of the World. In Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Connecticut. |
| Rocks & Minerals 76:385 |