med World Wide Minerals (Egil Olafsen og Arne H. Slåtta), som nå undersøker Ringnesgangen gruve. Mineralletingen...south Norway. NGT 52, 273285. Heier, K.S. 1953: Clausthalite and seleniumbearing galena in Norway. NGT...mineral localities: The Kongsberg silver mines, Norway. Mineralogical Record 17,19-36. Johnsen, O. 1987:...Sæbø, P.Chr. & Neumann, H. 1961: On synchisite in Norway. NGT 41, 247-254. van der Wel, D. 1972: Asbestos...ArsonopyritG AxinitG group Barite BrowstGritG BrochantrtG Calcite Cerussite ChalcocitG ChalcopyritG Chamosite ChlorargyritG |