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Biotite from selected localities.

Norway
 
  • Telemark
    • Kragerø
 Norwegian Geological Survey. The Ore database. Deposit Area 815 - 040, Lindvikskollen.
      • Lindvikskollen-Kalstadgangen pegmatite
Green, J.C.(1956):Geology of the Storkollen-Blankenberg area, Kragerø, Norway. Norsk Geologisk Tidsskrift 36, 89-140
      • Sannidal
Evja, V. (2019) Mineraler fra Fikkjebakke industriområde, Sannidal, Kragerø, Telemark. Norsk Mineralsymposium: 82-85
      • Valberg
Nordrum, F.S. Larsen, A.O. & Austrheim, H. (2000): Ni,Co-mineralizations in the Valberg quarry, Kragerø, South Norway: a progress report. Norsk Bergverksmuseum Skrift. 17: 64-70
 
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