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Unnamed (Fe-Ti Silicate), Aegirine, Albite


Unnamed (Fe-Ti Silicate) : Fe2Ti[Si2O7]O*nH2О, Aegirine : NaFe3+[Si2O6], Albite : Na[AlSi3O8]

Photo Copyright © Pavel M. Kartashov collection & photo  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Abdong (Aptong) Zr-Nb deposit, Pyonggang-gun, Kangwon Province, North Korea
8x5x2 cm of albitized alkaline-syenite pegmatite with orange scales of unnamed diorthosilicate with composition Fe2Ti[Si2O7]O*nH2О. This is the largest and richest known specimen of the mineral. Associating minerals are deep-green Aegirine and white sugar-like albite. Selfcollected in March of 2002. Pavel M. Kartashov collection and photo.

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