AM_Datolite Formula: Ca Si B O5 H Name: Datolite Unit cell: 4.832 7.608 9.636 90.0 90.4 90.0 , V=354.23 Space group: P121/C1 (14)

Foit F F , Phillips M W , Gibbs G V , American Mineralogist , 58 (1973) p.909-914, A refinement of the crystal structure of datolite, CaBSiO4(OH)