Amethyst from selected localities.
Germany | |
| Weiss, S. (1990) Mineralfundstellen Atlas, Deutschland West. Weise Verlag, München, 320 pages. |
O'Donoghue, M., ed. (1977): The Encyclopedia of Minerals and Gemstones. Rigby (Adelaide), 304 pp. | |
| Weiss, S. (1990) Mineralfundstellen Atlas, Deutschland West. Weise Verlag, München, 320 pages. |
| Lapis 2001(6), 40 |