Na15Ca6(Fe, Mn)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2

This sample of eudialyte is displayed in the Smithsonian Museum of Natural History. Eudialyte is a silicate that contains zirconium, manganese and chlorine and five of the big 8 elements of the Earth's crust. Its composition is Na15Ca6(Fe, Mn)3Zr3[Si25O73](O,OH,H2O)3(OH,Cl)2. This sample of eudialyte is about 5x7 cm and is from Tunulliarjik, Greenland.

Mindat: Eudialyte

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