Colusite from selected localities.
USA | |
| The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964; Gammons, C. H., Szarkowski, J., & Stevenson, R. (2016) New investigations of the mineralogy of silver in the world-class porphyry-lode deposits of Butte, MT. Mining engineering Magazine website |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964 |