Biotite from selected localities.
Norway | |
| Knut Edvard Larsen collection # MM-1891 |
| Knut Edvard Larsen collection (MM-256) |
| Knut Edvard Larsen observation in field aug. 2012 |
Svein A. Berge collection & observation 1989. | |
Knut Edvard Larsen collection # 235 | |
| Knut Edvard Larsen observation on collected material july 2012 |
Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71 | |
| Svein A. Berge collection 1992 |
Knut Edvard Larsen collection # 99; Berge, S. A. (2013):Mineralene i Husebyyåsen feltspatbrudd, Vesterøya, Sandefjord. Norsk Bergverksmuseum Skrifter. 50, 93-99 | |
Knut Edvard Larsen observation on collected materiale aug.2012 | |
Larsen, A. O. (ed.) (2010): The Langesundsfjord. History, geology, pegmatites, minerals. Bode Verlag Gmbh, Salzhemmendorf, Germany, 240 p; | |
Svein A. Berge collection | |
Knut Edvard Larsen observation in field sept 2012 | |
Åsheim, A., Berge, S.A. & Larsen, A.O. (2008): Sporelementer i ænigmatitt fra Larvik plutonkompleks. Norsk Bergverksmuseum Skrift. 38: 63-65 | |
Raade, G & Larsen, A. O. (1980): Polylithionite from syenite pegmatite at Vøra, Sandefjord, Oslo Region, Norway. Contributions to the Mineralogy of Norway, no 65. Norsk Geologisk Tidskrift 60, 117-124 |