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Brønnebukta, Siktesøya, Langesundsfjorden, Porsgrunn, Telemark, Norway

Hilairite
Brønnebukta, Siktesøya, Langesundsfjorden, Porsgrunn, Telemark, Norway

Photo: OT. Ljostad
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

Aegirine
Albite
'Amphibole Group'
Analcime
Astrophyllite
Berborite
Biotite
Böhmite
Calcite
Chalcopyrite
'Chlorite Group'
Epididymite
Eudialyte Group
Eudidymite
Ferrokentbrooksite
Fluorite
Gaidonnayite
Hambergite
Helvite
Hilairite
'Hornblende'
Kupletskite
Leucophanite
Löllingite
Microcline
Molybdenite
Montmorillonite
Natrolite
Nepheline
Nordstrandite
Polylithionite
Pyrite
Pyrophanite
Sodalite
Sphalerite
Wöhlerite
Zircon


37 entries listed. 32 valid minerals. 2 erroneous literature entries.

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