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Bratthagen 1 road cut pegmatites (Bratthagen), Lågendalen, Hedrum, Larvik, Vestfold, Norway

The locality consists of several nepheline syenite pegmatites, usually 10-30 cm thick, often rather irregularly cross-cutting. Nearly 60 different mineral species have been found in the dikes. Because of its complex and scientifically interesting mineralogy, the locality has been protected by law since 1984.

Refs.:
- Engvoldsen, T., Andersen, F., Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18(1),15-71
-Larsen, A. O., Raade, G. & Sæbø, P. C. (1992): Lorenzenite from the Bratthagen nepheline syenite pegmatites, Lågendalen, Oslo Region, Norway. Norsk Geologisk Tidsskrift, 72, 381-384.
-Raade, G.& Mladeck, Michel H.(1977): Parakeldyshite from Norway. Canadian Mineralogist 15,102-107
- Sæbø, P.(1966).Contribution to the mineralogy of Norway no.35. The first occurences of the rare mineral barylite, Be2BaSi2O7, in Norway. Norsk Geologisk Tidsskrift 46, 335-348
- http://home.c2i.net/aolarsen/Pegmatites.htm





Mineral List:
  • Aegirine
  • Aegirine-augite
  • Albite
  • Analcime
  • Ancylite-(Ce)
  • Anglesite
  • 'Apatite'
  • Astrophyllite
  • Barylite
  • Bastnäsite-(Ce)
  • Biotite
  • Böhmite
  • Cancrinite
  • Catapleiite
  • Chevkinite-(Ce)
  • Chrysoberyl
  • Datolite
  • Diaspore
  • Epididymite
  • Eudialyte
  • Eudidymite
  • Fluorite
  • Gadolinite-(Ce)
  • Genthelvite
  • Gibbsite
  • Hilairite
  • Ilmenite
  • Keldyshite
  • Leucophanite
  • Loparite-(Ce)
  • Lorenzenite
  • Magnetite
  • Meliphanite
  • Monazite-(Ce)
  • Muscovite
  • Natrolite
  • Nepheline
  • Nordstrandite
  • Parakeldyshite
  • Polylithionite
  • Pyrochlore
  • Pyrophanite
  • Rosenbuschite
  • Sodalite
  • Sphalerite
  • Thorite
  • Titanite
  • Willemite
  • Zircon


    49 entries listed. 47 valid minerals.

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