Pyrite from Langis Mine (Casey Cobalt ; Casey-Seneca), Casey Township, Cobalt Area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Canada | |
| [var. Bravoite] Canadian Mineralogist (1969): 9: 597-605. Can Mineral December 1971 v. 11 no. 1 p. 108-139 |