Chlorite Group 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 |
| Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. 663 pp + 28 plates (p.199) |
| Larsen, A. O. (1988): Helvite group minerals from syenite pegmatites in the Oslo Region, Norway. Contribution to the mineralogy of Norway no 68. Norsk Geologisk Tidsskrift 68: 119-124 |
| Larsen, A.O.(2015): A new find of sphaerobertrandite from the Larvik Plutonic Complex, Norway, Aust-Agder. Norsk Mineralsymposium 2015, 45-46 |