|
USA | |
| [Chalcedony var. Agate] Carl Dietrich |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Journal of the Mississippi Academy of Sciences, Jan. 2004 |
| [Chalcedony var. Agate] Gems and Minerals of America - Jay Ellis Ransom- 1974 |
| [Chalcedony var. Agate] Gems and Minerals of America- Jay Ellis Ransom-1974 |
| Rocks & Minerals (1955) 30:371 |
| [Chalcedony] Blackwell, WH.: Bulletin of the Torrey Botanical Club, Vol. 110, No. 1 (Jan. - Mar., 1983), pp. 63-69 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Saunders, J. A., Prikryl, J. D., & Posey, H. H. (1988). Mineralogic and isotopic constraints on the origin of strontium-rich cap rock, Tatum dome, Mississippi, USA. Chemical geology, 74(1-2), 137-152. |
| [Chalcedony] Beste, Bob (2005) Location Guide for Rockhounds in the United States (3rd ed.) |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |