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Norway | |
| Johnsen, O., Grice, J. D., Gault, R. A. (2003) Ferrokentbrooksite, a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. The Canadian Mineralogist, 41 (1) 55-60 doi:10.2113/gscanmin.41.1.55 |
| Larsen, Alf Olav, Åsheim, Arne, Gault, Robert A. (2005) Ferrokentbrooksite (Brøgger's xanthopite) from Skutesundskjær in the Langesundsfjord district, Norway. Norsk Bergverksmuseum Skrift, 30. 63-67 |
| Johnsen, O., Grice, J. D., Gault, R. A. (2003) Ferrokentbrooksite, a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. The Canadian Mineralogist, 41 (1) 55-60 doi:10.2113/gscanmin.41.1.55 |
| Åsheim, Arne, Berge, Svein Arne, Larsen, Alf Olav (2008) Sporelementer i ænigmatitt fra Larvik plutonkompleks. Norsk Bergverksmuseum Skrift 38, 63-65 |
| Johnsen, O., Grice, J. D., Gault, R. A. (2003) Ferrokentbrooksite, a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. The Canadian Mineralogist, 41 (1) 55-60 doi:10.2113/gscanmin.41.1.55 |
Vesle Arøya, Larvik, Vestfold, Norway