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Germany | |
| Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp. |
| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. |
| Blaß, G., Möhn, G. (2010) Neue Mineralien von der Grube Mark bei Essershausen im Taunus. Mineralien Welt, 21 (2) Bode Verlag GmbH. 26-29 |
| SEM-EDS by Joy Desor, Gerhard Möhn |
Mark Mine, Weinbach, Limburg-Weilburg, Giessen Region, Hesse, Germany