Agate from Louisiana, USA
USA | |
| Ref: Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Jay Ellis Ransom,1974, Gems and Minerals of America |
MacFall (1975) Gem Hunter's Guide | |
R&M 69:3 pp 156-162 | |
MacFall (1975) Gem Hunter's Guide |