Rickardite from San Juan Mountains, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Ford, W.E. (1903) Rickardite, a new mineral. American Journal of Science: 165: 69-70. |
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Ford, W.E. (1903) Rickardite, a new mineral. American Journal of Science: 165: 69-70. |
Good Hope Mine, Vulcan, Vulcan Mining District, Gunnison County, Colorado, USA