AM_Gotzenite_1 Formula: Ca5.66 Zr.28 Na1.06 Ti.98 Si4 O14 F4 Name: Gotzenite Unit cell: 9.636 7.341 5.737 89.94 100.74 101.06 , V=391.06 Space group: P-1 (2)

Bellezza M , Merlino S , Perchiazzi N , European Journal of Mineralogy , 16 (2004) p.957-969, Chemical and structural study of the Zr,Ti-disilicates in the venanzite, from Pian di Celle, Umbria, Italy, Locality: Pian di Celle, Umbria, Italy