Island with a mica quarry in complex pegmatites similar to the ones on the nearby Utö.
References:
- Gustafsson, Lars & Otter, Bertil (1991): Mineralförekomster i Stockholmstrakten.Del 2. STEIN 18(4),4-12
- Beryllium phosphates from the Proterozoic granitic pegmatite at Norrö, southern Stockholm archipelago, Sweden. GFF (1993) 115 (2), 159-164.
- Canadian Mineralogist (1998) 36 (2), 377-394
Mineral List:35 entries listed. 32 valid minerals.
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