Oligoclase from Silver Bow County, Montana, USA
USA | |
| Rocks & Minerals 47:3 pp160-164 |
| Guidebook for the Butte Field Meeting of the Society Of Economic Geologists, 1973 |
USA | |
| Rocks & Minerals 47:3 pp160-164 |
| Guidebook for the Butte Field Meeting of the Society Of Economic Geologists, 1973 |