  Eudyalite.
Description from the source:
Eudyalite (Na4(CaCe)2(Fe+2Mn+2Y+ZrSi8O22(OHCl)2 trig.), Kipawa Alcalyne Complex, Villedieu Tow., Quebec, Canada. Red, granular, with white fibrous Agrellite and beige Vlasovite. A rich thumbnail. 2,2x1,7x1 cm; 5 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 26 September, 2008
Text Updated: 28 September, 2008
Price: Trade
Size: 0.85"
Composition: Na4(CaCe)2(Fe,2Mn,2Y).ZrSi8O22(OHCl)2
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