Amethyst from selected localities.
Czech Republic | |
| https://de.wikipedia.org/wiki/Krudum |
| Ivo Vašina photo and specimen; Beran, P. & Sejkora, J. (2006): The Krásno Sn-W ore district near Horní Slavkov: Mining history, geological and mineralogical characteristics. Journal of the Czech Geological Society, 51, 3-42 |
Beran, P. & Sejkora, J. (2006): The Krásno Sn-W ore district near Horní Slavkov: Mining history, geological and mineralogical characteristics. Journal of the Czech Geological Society, 51, 3-42 |
Huber stock, Krásno, Sokolov District, Karlovy Vary Region, Czech Republic