Ruby from Madison County, Montana, USA
USA | |
| [var. Star Ruby] Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
USGS Bull 269 |
USA | |
| [var. Star Ruby] Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
USGS Bull 269 |