Tourmaline from Llano County, Texas, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Am Min 67:180 |
[var. Achroite] Jennifer Cindrich | |
| Smith, Arthur E. (1991) Texas Mineral Locality Index. Rocks & Minerals, 66 (3) 196-224 doi:10.1080/00357529.1991.11761622 |
Packsaddle Mountain, Llano County, Texas, USA