Glauconite from Lower Saxony, Germany
Germany | |
| de.wikipedia.org (n.d.) https://de.wikipedia.org/wiki/Grube_Fortuna_(Gro%C3%9F_D%C3%B6hren) |
| Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp. |
Goslar District, Lower Saxony, Germany