Andalusite from
USA | |
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
| Econ Geol (1984) 79:573-579 |
| Guidebook for the Butte Field Meeting of the Society Of Economic Geologists, 1973 |