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Norway | |
| Scheerer, Th. (1845) Geognostisk-mineralogiske Skizzer, samlede paa en Reise i Sommeren 1842 [Geognostic-mineralogical Sketches collected during a travel in the Summer of 1842 ]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 4. 126-164 |
| Scheerer, Th. (1845) Geognostisk-mineralogiske Skizzer, samlede paa en Reise i Sommeren 1842 [Geognostic-mineralogical Sketches collected during a travel in the Summer of 1842 ]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 4. 126-164 |
| Lévy, A. (1824) Account of a new Mineral Substance. Annals of Philosophy, S. 2 Vol. 7. 134-136 |
| Kjerulf, Th., Dahll, Tellef (1861) Om jernertsenes forekomst ved Arendal, Næs og Kragerø [About the occurrence of iron ores at Arendal, Næs and Kragerø]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 11. 293-359 |
| Vogt, Thorolf (1908) Schwerspat aus Norwegischen Vorkommen [Tungspar from Norwegian localities]. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 1 (3) 1-56 |
| Collection of Naturhistoriska Riksmuseet i Stockholm (The Natural History Museum), Sweden. |
| Kjerulf, Th., Dahll, Tellef (1861) Om jernertsenes forekomst ved Arendal, Næs og Kragerø [About the occurrence of iron ores at Arendal, Næs and Kragerø]. Nyt magazin for naturvidenskaberne [New magazine for the natural sciences], 11. 293-359 |
| Bugge, J.A.W.(1945): Løddesøl skarnforekomst. Norsk Geologisk Tidsskrift. 25: 35-57 |