Amphibole Supergroup from selected localities.
USA | |
| [var: Uralite] Wadsworth, M.E. (1877) Notes on the Mineralogy and Petrography of Boston and Vicinity. The Intrusive Rocks in the Vicinity of Boston. In Proceedings of the Boston Society of Natural History, 19:217-238. |
| [var: Byssolite] Rocks & Min.: 22:209. |