Emerald from California, USA
USA | |
| Aaron J. Celestian and Richard Edley (2020) New Emerald Locality in Southern California. Gems & Gemology 56(4), p. 542-543. |
Aaron J. Celestian, Richard Edley (2020) New Emerald Locality in Southern California. Gems & Gemology Winter 2020, vol. 56, No. 4 | |
| Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 104. |