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Norway | |
| Nordrum, Fred Steinar (1999) Nyfunn av mineraler 1998-1999 [News of mineral finds 1998-1999]. Norsk Bergverksmuseum Skrift, 15. 87-90 |
| Larsen, Alf Olav, Andersen, Frode, Dahlgren, Sven, Larsen, Knut Edvard, Burvald, Ingulv - Ed. (2010) The Langesundsfjord - History, geology, pegmatites, minerals. Bode Verlag Gmbh. p.1-240. |
| Sunde, Øyvind, Friis, Henrik, Andersen, Tom (2019) Pegmatites of the Larvik Plutonic Complex, Oslo Rift, Norway: field relations and characterisation. Norwegian Journal of Geology, 99 (1) Geological Society of Norway. doi:10.17850/njg99-1-05 Larsen, Alf Olav, Åsheim, Arne, Gault, Robert A. (2005) Minerals of the eudialyte group from the Sagåsen larvikite quarry, Porsgrunn, Norway. Norsk Bergverksmuseum Skrift, 30. 58-62 |
Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway