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Biotite from selected localities.

Norway
 
  • Aust-Agder
    • Tvedestrand
      • Østerå
Brickwood, J. D. (1986): The geology and mineralogy of some Fe-Cu-Ni sulphide deposits in the Bamble area, Norway. Norsk Geologisk Tidsskrift. 66, 189-208
      • Snaresund
Touret, J. & De La Roche, H. (1971): Contribution to the mineralogy of Norway , No. 45. Saphirine à Snaresund, prés de Tvedestrand (Norvége Méridionale). Norsk Geologisk Tidsskrift 51, 170-175
 
Mineral and/or Locality  
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