Magnesioneptunite, Rutile, Albite, Microcline

Locality: Lakargi Mt., Verkhnechegemskaya caldera (Verkhni Chegem caldera; Upper Chegem caldera), Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

SEM image of medium grey in BSE short prismatic crystals of IMA2009-009 with typical for neptunite group minerals shape of sections (it is Mg-dominant neptunite group member). The most bright grains are Rutile which was the sourse of Ti for the new mineral formation. Matrix consist of feldspars - Na (more darker) and K (more bright, but darker then IMA2009-009). Specimen of V.M. Gazeev.

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Photo added: 25th Sep 2009

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