Orthoclase from selected localities.
Norway | |
| Larsen, K. E. (2015). Noen funn av mineraler i Norge 2013-2015. Norsk Mineralsymposium 2015, 79-88. |
Knut Edvard Larsen collection | |
| Knut Edvard Larsen collection # MM-4373 |
Sendelbach, M. (1997): Mineralien aus dem Drammensgranit, Norwegen. Lapis. 22 (4), 35-38 | |
Knut Edvard Larsen MM-collection (#5552) | |
Knut Edvard Larsen collection |
Berger, Svelvik, Drammen, Buskerud, Norway