Pyrite from selected localities.
Norway | |
| Larsen, A.O., Åsheim, A. and Gault, R. A. (2005): Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrifter 30: 58-62 |
| Svein A. Berge collection/observation 1993. |
| Knut Edvard Larsen collection # 2403 ( photo-1273358) |
Knut Edvard Larsen collection | |
Peter Andresen collection, 2016. | |
Collection of Peter Andresen./ Nordrum, F. S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2), 14-26 | |
Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7 (4), 21-100 | |
Knut Edvard Larsen collection | |
Collection of Peter Andresen. | |
Svein A. Berge collection/observation 1993. | |
Larsen, A. O.; Åsheim, A.; Raade, G. & Taftø, J. (1992): Tvedalite, (Ca,Mn)4Be3Si6O17(OH)4•3H2O, a new mineral from syenite pegmatite in the Oslo Region, Norway, American Mineralogist 77, 438-443 |
A/S Granit Quarry, Tuften, Tvedalen, Larvik, Vestfold, Norway