Quartz from selected localities.
Norway | |
| Geological Survey of Norway. The Ore Database. Deposit Area 631 - 002. Bekkjorden |
Geological Survey of Norway (NGU): The Ore database. 631 - 003. Grøsli. (Updated 25.nov.2010). | |
| Kullerud, K. , Kotková, J. , Šrein, V. & Berg, B. I. (2018) Electrum from the Kongsberg silver district. Norsk Mineralsymposium 2018: 63-70 |