AM_Caysichite-(Y)
Formula: Y2.5 Ca1.5 Si4 O23 C3 H8.5
Name: Caysichite-(Y)
Unit cell: 13.27 13.91 9.73 90.0 90.0 90.0 , V=1796.02
Space group: CCM21 (36)

Mellini M , Merlino S , The Canadian Mineralogist , 16 (1978) p.81-88, Caysichite: A double crankshaft chain structure