Plagioclase from selected localities.
Norway | |
| Bjørlykke, H. (1937): Mineral parageneses of some granite pegmatites near Kragerø, Southern Norway. Norsk Geologisk Tidsskrift 17, 1-16 |
Olav Revheim | |
| Geological Survey of Norway. The Ore Database. Deposit Area 901 - 001. Dalsvatnet. |
Frodesen, S. (1968) Coronas around olivine in a small gabbro intrusion, Bamble area, South Norway. Norsk Geologisk Tidsskrift, 48, 201-206. |