Brønnebukta, Siktesøya, Langesundsfjorden, Porsgrunn kommune, Telemark fylke, Norge
A hydrothermal altered pegmatite blasted for building of a cottage situated at the NE side of the Siktesøya.
The locality is not longer available.
References
- Larsen, A.O. & Raade, G. (1991): Gaidonnayite from the nepheline syenite pegmatite on Siktesøya in the southern part of the Oslo Region, norway. Norsk Geologisk Tidsskrift. 71: 303-306
- Engvoldsen, T., Andersen, F., Berge, S. A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18 (1), 15-71
- Åsheim, A. (1994): Hamberg(itt). STEIN 21 (2), 117-119
- Johnson, O., Grice, J.D. & Gault, R.A. (2003): Ferrokentbrooksite, a new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada. Canadian Mineralogist. 41: 55-60 [Ferrokentbrooksite from this locality is mentioned briefly]
Mineral List
37 entries listed. 32 valid minerals. 2 erroneous literature entries.
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