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Tuftane (Tuftan; Tuptane), Frikstad (Frigstad), Iveland, Aust-Agder, Norway

A granite pegmatite dyke situated in the northern part of Iveland pegmatite district. It has been worked for rare minerals (thorveitite, gadolinite and euxenite). The dyke strikes about NW and is more than 100 m long.



References:
- Neumann, H. & Sverdrup, T.L.(1960): Contributions to the mineralogy of Norway No. 8. Davidite from Tuftan, Iveland. Norsk Geologisk Tidsskrift 40: 277-288
- Neumann, H. (1960): Mineral occurrences in southern Norway. Guide to excursions no A.15 and no. C 12. International Geological Congress XXI session Norden 1960, 18p.





Mineral List:
Aeschynite-(Y)
'Albite-Anorthite Series'
'Allanite'
Beryl
Biotite
Davidite-(Ce) (TL)
Davidite-(La)
Euxenite-(Y)
'Gadolinite'
'Garnet Group'
Ilmenite
Magnetite
Microcline
Molybdenite
Muscovite
Pyrite
Quartz
Rutile
var: Ilmenorutile
Thortveitite
Xenotime-(Y)
Zircon
var: Alvite


23 entries listed. 15 valid minerals. 1 type locality (valid mineral). 1 erroneous literature entry.

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