Plagioclase from selected localities.
Norway | |
| http://aps.ngu.no/pls/oradb/minres_deposit_fakta.Main?p_objid=13640&p_spraak=E |
Geological Survey of Norway. The Ore Database, Deposit Area 1114 - 009, Bjerkreim SW | |
Hermans, G.A.E.M., Tobi, A.C., Poorter, R.P.E. & Maijer, C. 1975: The high-grade metamorphic Precambrian of the Sirdal-Ørsdal area, Rogaland/Vest-Agder, south-west Norway. Norges Geologiske Undersøkelse. 318, 51-74. | |
| Hermans, G. A. E. M. et al. (1976): Sapphirine occurence near Vikeså in Rogaland, southwestern Norway. Norsk Geologisk Tidskrift 56 (4): 397-412 |
Maijer, C.; Jansen, J.B.H.; Wevers, J. & Poorter, R.P.E. (1977): Contribution to the mineralogy of Norway, no 63. Osumilite, a new mineral to Norway. Norsk Geologisk Tidsskrift 57 (2), 187-188 |