AM_Hydroxylellestadite_1 Formula: Ca5 (Si1.5 S1.5) O12.68 F.08 Cl.24 H.68 Name: Hydroxylellestadite Unit cell: 9.5224 9.5268 6.9087 90.0 90.0 119.9483 , V=543.06 Space group: P1121/M (11)

Hughes J M , Drexler J W , Neues Jahrbuch fur Mineralogie, Monatshefte , 1991 (1991) p.327-336, Cation substitution in the apatite tetrahedral site:, crystal structures of type hydroxylellestadtite and type fermorite, Locality: Crestmore, California, USA