Tourmaline from selected localities.
USA | |
| Wilson,W.F and McKenzie, B.J , 1978, Mineral Collecting Sites In North Carolina, Information Circular 24 |
U.S Bureau of Mines, Sep 1995 |
USA | |
| Wilson,W.F and McKenzie, B.J , 1978, Mineral Collecting Sites In North Carolina, Information Circular 24 |
U.S Bureau of Mines, Sep 1995 |