Thin section image of natronamulite (Nn) in assocation with aegirine (Ac), arfvedsonite (Am) and quartz (Q). (JMPS, v12:332). Tanohata mine, Iwate Prefecture, Japan.
C:\MdpWEB\N\Natronambulite.PDF
Natronambulite Tanohata mine,Tanohata,Shimohei,Iwate,Japan (Na,Li)Mn 4 2+ Si 5 O 14 (OH) Size:2.5cm(Photo)