AM_Okenite
Formula:
Ca5 Si9 O32 H23
Name:
Okenite
Unit cell:
9.69 7.28 22.02 92.7 100.1 110.9 , V=1418.48
Space group:
P-1 (2)
Merlino S , American Mineralogist , 68 (1983) p.614-622, Okenite, Ca10Si18O46*18H2O: the first example of a chain and sheet silicate