AM_Tinzenite Formula: Ca1.42 Mn1.46 Mg.03 Fe.21 Al1.88 Si4 B O16 H Name: Tinzenite Unit cell: 7.154 9.126 8.949 91.88 98.8 77.05 , V=562.69 Space group: P-1 (2)

Belokoneva E L , Goryunova A N , Pletnev P A , Spiridonov E M , Crystallography Reports , 46 (2001) p.30-32, Crystal structure of high-manganese tinzenite from the Falotta deposit, in Switzerland, Locality: Falotta deposit, Switzerland