Cordierite from selected localities.
Germany | |
| Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922 |
Nöggerath, J., Das Gebirge in Rheinland-Westfalen, Bonn, 3. Band, S.286, 1824 | |
Nöggerath, J., Das Gebirge in Rheinland-Westfalen, Bonn, 3. Band, S.286, 1824 | |
| Nöggerath, J., Das Gebirge in Rheinland-Westfalen, Bonn, 3. Band, S.286, 1824 |
| Nöggerath, J., Das Gebirge in Rheinland-Westfalen, Bonn, 3. Band, S.286, 1824 |
| Schreyer, W., Maresch, W.V., Daniels, P., Wolfsdorff, P., (1990): Potassic cordierites: characteristic minerals for high-temparature, very low-pressure environmnets, Contributions to Mineralogy and Petrology, Vol, 105, 2/March 1990, 162-172 |
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany