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Norway | |
| Brøgger, Waldemar Christofer (1890, January) Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Krystallographie und Mineralogie Vol. 16 (1) Walter de Gruyter GmbH |
| 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. |
| Knut Edvard Larsen collection # MM- 6273 ( Ex- Svein A Berge collection 1989) |
| Andresen, Peter, Friis, Henrik, Kjærnet, Torfinn, Larsen, Alf Olav (2018) The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018, 5-22 |
| 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. |
| [var. Smoky Quartz] Larsen, Knut Edvard (2021) Noen funn av mineraler i Norge 2020-2021. STEIN. Magasin for populærgeologi, 48 (4) 3-9 |
| Knut Edvard Larsen collection # MM-3112 |
| Larsen, Knut Edvard (2017) Personal communication: observation in field. |
| Larsen, Knut Edvard (2017) Personal communication: observation in field. |