Amphibole Supergroup 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 |
| Dons, J. A. (1969): Interupted creations of nepheline syenite pegmatite dikes in the Langesundsfjord area, S.Norway. Norsk Geologisk Tidsskrift 49: 145-157 |
| Knut Edvard Larsen photo (Photo ID: 531881) |
| Knut Edvard Larsen observation in field sept 2013 ( see photo id -531881) | |
| Knut Edvard Larsen observation in field aug.2012 | |
| Svein A. Berge observation/ collection 1974 |
| Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 65-67 |
| Knut Edvard Larsen collection # MM-4884 |
| Knut Edvard Larsen collection june 2015 | |
| Knut Edvard Larsen collection and observation , found on dump mai 2019 | |
| Svein A. Berge collection/observation 2010. | |
| Knut Edvard Larsen observation in the quarry 2004 | |
| Knut Edvard Larsen observation , see also photo id 691698 |
| Knut Edvard Larsen observation in field 2002 | |
| Svein A. Berge collection/observation 1993. | |
| Pers. Com. A.O.Larsen 08.02. 1988 in Geologisk Museum. Interne notater 1961-1990. Published by Geologisk Museums Venner, Oslo 1991, p 128 | |
| Larsen, A. O. & Åsheim, A. (1995) Leifite from a nepheline syenite pegmatite on Vesle Arøya in the Langesundsfjord district, Oslo Region , Norway. Norsk Geologisk Tidsskrift. 75: 243-246 |
Barkevikstranda, Barkevika, Barkevik area, Larvik, Vestfold, Norway