Quartz from selected localities.
Norway | |
| Kullerud, K. , Kotková, J. , Šrein, V. & Berg, B. I. (2018) Electrum from the Kongsberg silver district. Norsk Mineralsymposium 2018: 63-70 |
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p 126 |