Biotite from selected localities.
USA | |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
| Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina,Information Circular 24 |
USA | |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
| Wilson,W.F and McKenzie,B.J,1978,Mineral Collecting Sites in North Carolina,Information Circular 24 |