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Natrolittodden, Vesle Arøya, Langesundsfjorden, Larvik, Vestfold, Norway
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A small syenite pegmatite dyke on the eastern side of Vesle Arøya. TL for both cappelenite-(Y) and grenmarite. Most of the dyke was blasted away during the 1880s, only small remnants can be seen today.

Mineral List

Aegirine
Albite
Analcime
Astrophyllite
'Biotite'
Burpalite
Calcite
Cappelenite-(Y) (TL)
Catapleiite
Eudialyte Group
var: Eucolite

Fluorapophyllite-(K)
Fluorite
Galena
Grenmarite (TL)
Hilairite
Låvenite
Leucophanite
Löllingite
Melanocerite-(Ce)
var: Freyalite ?

Microcline
Molybdenite
Natrolite
var: Spreustein
Nepheline
Pyrochlore Group
Rosenbuschite
Sphalerite
Thorite
var: Orangite

Wöhlerite
Zircon


30 entries listed. 25 valid minerals. 2 type localities (valid minerals).

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References

- Brögger, W. C. (1884): Forelöbig meddelelse om to nye norske mineraler, Låvenit og Cappelenit. Geologiska Föreningens i Stockholm Förhandlingar, 7, 598-600

- Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p 462-467

- Bellezza, M., Franzini, F., Larsen, A. O., Merlino, S., Perchiazzi, N. (2004): Grenmarite, a new member of the götzenite-seidozerite-rosenbuschite group from Langesundsfjord district: definition and crystal structure. European Journal of Mineralogy, 16, 971-978.

- Friis, H., Balić Žunić, T., Williams, T. & Petersen, O. V. (2010): Minerals of the låvenite group from South Greenland and Norway. Norsk Bergverksmuseet Skrift 43, 35-39.


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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