Muscovite from selected localities.
Bolivia | |
| [var: Sericite] Sillitoe, R.H., Steele, G.B., Thompson, J.F.H., and Lang, J.R. (1998): Mineralium Deposita 33, 539-546. |
| Alfredo Petrov, field observations. |
Bolivia | |
| [var: Sericite] Sillitoe, R.H., Steele, G.B., Thompson, J.F.H., and Lang, J.R. (1998): Mineralium Deposita 33, 539-546. |
| Alfredo Petrov, field observations. |