Calcite from Nordgruve mining field, Røros copper mines, Røros, Trøndelag, Norway
Norway | |
| Geological Survey of Norway. The Ore Database. Deposit Area 1640 - 052. Kongens gruve. |
Geological Survey of Norway. The Ore Database. Deposit Area 1644 - 003. Muggruva | |
Geological Survey of Norway. The Ore Database. Deposit Area 1640 - 017. Rødalen gruve |