Quartz-beta from California, USA
USA | |
| Rader, W.L. (1998), Zeolite-group minerals of the Conejo Volcanics, Santa Monica Mountains, Los Angeles and Ventura Counties. Mineral News: 14(9): 1-10. |
| San Diego Mining Company, 1996. |
USA | |
| Rader, W.L. (1998), Zeolite-group minerals of the Conejo Volcanics, Santa Monica Mountains, Los Angeles and Ventura Counties. Mineral News: 14(9): 1-10. |
| San Diego Mining Company, 1996. |