|
USA | |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
| Personally Collected with Donald Slater, whom has had the specimens analyzed |
| Min News 18:11 pp 9,10 |
| Personally collected |
| Field collected by Donald Slater, mid-1990s. |
| Kelly Nash Collection |
| Nash, K. (2002) "Recent Finds in Dallas County, Texas", Mineral News, Vol. 18, No. 11. |
Pinnacle Park, Dallas, Dallas County, Texas, USA