Small, only 1-2dm broad nepheline-syenite-pegmatite vein.
References:
- Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineralogie 16. p. 65-67
- Åsheim, A. (1994): Hamberg(itt). STEIN 21 (2), 117-119
Mineral List:7 entries listed. 4 valid minerals. 1 type locality (valid mineral). 1 erroneous literature entry.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
