AM_NaY9(SiO4)6O2
Formula:
Na.5 Y4.5 Si3 O13
Name:
NaY9(SiO4)6O2
Unit cell:
9.334 9.334 6.759 90.0 90.0 120.0 , V=509.97
Space group:
P63/M (176)
Gunawardane R P , Howie R A , Glasser F P , Acta Crystallographica, Section B , 38 (1982) p.1564-1566, Structure of the oxyapatite NaY9(SiO4)6O2, Note: apatite structure