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Delhayelite, Fenaksite


Delhayelite : (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3·18H2O, Fenaksite : (K,Na)4(Fe,Mn)2(Si4O10)2(OH,F)

Photo Copyright © Lukasz Kruszewski 2007  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Rasvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
6 mm long grayish crystal of delhayelite (distinct cleavage) with pinkish blades of fenaksite.

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