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Norway (FRL) | |
| Neumann, Henrich, Svinndal, Sverre (1955) The Cyprine-Thulite deposit at Øvstebø, near Kleppan in Sauland, Telemark, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 34 (2-3-4) 139-156 Brøgger, W.C. (1879) XXVI. Untersuchungen norwegischer Mineralien II. Zeitschrift für Kristallographie - Crystalline Materials, 3 (1) 471-487 doi:10.1524/zkri.1879.3.1.471 |
| Garmo, Torgeir T., Selbekk, Rune S. (2017) Norsk mineralbok [Norwegian mineral book]. Fossheim Steinsenter A/S, Lom. p.1-351. |
Øvstebø, Kleppan, Sauland, Hjartdal, Telemark, Norway