LiNa(Zr,Ti,Hf)Si₆O₁₅

This sample of zektzerite is displayed in the Smithsonian Museum of Natural History. Zektzerite is a silicate mineral of lithium with hafnium, zirconium, titanium and sodium. It has the composition LiNa(Zr,Ti,Hf)Si₆O₁₅. This sample is described as zektzerite with albite and is from Washington Pass, Washington. This sample is about 7x7 cm and it is labeled as the zirconium variety, LiNaZrSi₆O₁₅