AM_Isokite Formula: Mg Ca P O4.2 (F.8 H.2) Name: Isokite Unit cell: 6.5109 8.7301 6.9046 90.0 112.246 90.0 , V=363.25 Space group: C12/C1 (15)

Yang H , Zwick J , Downs R T , Costin G , Acta Crystallographica, Section C , 63 (2007) p.i89-i90, Isokite, CaMg(PO4)F0.8(OH)0.2, isomorphous with titanite, Locality: Kjorrestad, near Bamle, Norway