AM_Ca(Ti,Zr)OGeO4_4 Formula: Ca (Ti.222 Zr.778) Ge O5 Name: Ca(Ti,Zr)OGeO4 Unit cell: 7.35292 9.1 6.75633 89.085 113.024 91.001 , V=415.98 Space group: A-1 (2)

Ellemann-Olesen R , Malcherek T , American Mineralogist , 90 (2005) p.687-694, Temperature and composition dependence of structural phase transitions in, Ca(TixZr1-x)OGeO4., Sample: Ti20, triclinically distorted titanite structure