Ettringite from selected localities.
Germany | |
| Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29. |
| G. Blaß, F.J. Emmerich, H.W. Graf, Minerale der Vulkaneifel, DVD Version 2013/1.1 |
| Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors |
Graulay quarry, Hillesheim, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany