|
Germany | |
| Lapis 17(12), 24-33 |
| Schlegel, Peter (1991) Die Mineralien der Grube 'Gelbe Birke' bei Schwarzenberg in Sachsen [The minerals of the 'Gelbe Birke' mine near Schwarzenberg in Saxony]. Lapis, 16 (6) 13-20 |
- Gottes Geschick Vereinigt Feld Mine
| www.dergraul.de (2001) http://www.dergraul.de |
| www.dergraul.de (2001) http://www.dergraul.de |
| Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart. 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. |