Tourmaline from Boulder Batholith, Jefferson County, Montana, USA
USA | |
| Sweeney, Ryan (2018), personal communication with Mindat.org. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Rocks & Minerals 47:3 pp160-164 |
USA | |
| Sweeney, Ryan (2018), personal communication with Mindat.org. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. Rocks & Minerals 47:3 pp160-164 |
Boulder Batholith, Jefferson County, Montana, USA