Ramfoss (Ramfossen), snarum, Modum kommune, Buskerud, Norge
A tourmaline-rich plagioclase-quartz pegmatite containing sharp crystals of tourmaline (schorl) and partly excavated for specimens in the 19th and 20th centuries.
References
- Rammelsberg, C: (1870): Ueber die zusammensetzung des Turmalins. Annalen der Physik. 215: 379-411 [with an analysis of schorl from Ramfoss]
- Schetelig, J. (1922): Orhit. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I. Mat-Naturv. Klasse 1922. 11, 129-138. [On allanite (orthite) from Ramfoss p. 130]
- Kolitsch, U., Husdal, T. A., Brandstätter, F. & Ertl, A. (2011): New crystal-chemical data for members of the tourmaline group from Norway: occurences of fluor-schorl and luinaite-(OH). Norsk Bergverksmuseum Skrift 46, 17-24. [with an analysis of schorl from Ramfoss]
Mineral List
7 entries listed. 5 valid minerals.
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