Opal-AN from selected localities.
Norway | |
| Svein A. Berge collection/observation 1991. |
| Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.O. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018: 5-22. |
Atle Michalsen collection, photo-id 1212051 |
Jahren Feldspar Quarry, Jahren pegmatite, Stavern, Larvik, Vestfold, Norway