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Slovakia | |
|
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590 |
|
Thailand | |
- Nakhon Ratchasima Province (Khorat Province)
- Nakhon Ratchasima District
| C. Lemanski, Jr. (visited, collected & photographed). |
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USA | |
|
| |
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| www.austingemandmineral.org |
|
| www.wma-minelife.com/uranium/papers/karnes.htm; Cherepon, Alan J., Minerals of the Karnes Uranium District - The Franklin of Texas. |