AM_Gerenite-(Y)
Formula:
Si6 Y3 Ca2 O20 H4
Name:
Gerenite-(Y)
Unit cell:
9.257 9.684 5.52 97.36 100.52 116.57 , V=422.58
Space group:
P-1 (2)
Groat L A , The Canadian Mineralogist , 36 (1998) p.801-808, The crystal structure of gerenite-(Y), (Ca,Na)2(Y,REE)3Si6O18.2H2O,, a cyclosilicate mineral