Manganese Oxides from Eifel Volcanic Fields, Germany
Germany | |
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| [var. Manganese Dendrites] Blaß, G. and Kruijen, F. (2015) Neuigkeiten aus der Vulkaneifel (II/2015). Mineralien-Welt, 26(5), 80-90. |
| [var. Manganese Dendrites] Pape, H. (1974) Der Gesteinssammler. Franck'sche Verlagshandlung, W. Keller & Co, Stuttgart, 100 pages. |
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Feuerberg, Hohenfels-Essingen, Gerolstein, Vulkaneifel, Rhineland-Palatinate, Germany