(Norra Kärr nefelinsyenit)
Alkaline complex 1.5 km east of lake Vättern and 45 km NE of Jönköping. One the world´s oldest agpaitic complexes (1500 Ma). Type locality for the rock types Grännaite, Lakarpite, Kaxtorpite and Pulaskite.
References:
- http://www.koeln.netsurf.de/~w.steffens/norra.htm.Area: 1200m x 400m.
- Strand, U.(1999): Meddelande om Nytt mineral för Sverige. Jinshajiangit fån Norra Kärr, Gränna, samt något om fluorbritolit-(Ce). STEIN 26 (2), 38-39
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Map Reference: 58°6'8"N , 14°33'57"E
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