Ernstite from USA
USA | |
| |
| Mineral Webzine, Dec. 2001. |
| Loomis, tom (2011), News from the Black Hills, South Dakota", Mineral News (to be published) |
USA | |
| |
| Mineral Webzine, Dec. 2001. |
| Loomis, tom (2011), News from the Black Hills, South Dakota", Mineral News (to be published) |