Citation: Fleet, M.E.; Liu, X.-Y.; Pan, Y.-M. (2000). Rare-earth elements in chlorapatite (Ca10 (P O4)6 Cl2): uptake, site preference, and degradation of monoclinic structure. American Mineralogist, 85, pp. 1437-1446.
Formula: Ca9.576 Dy0.212 H2 Na0.212 O26 P6
Chemical name:(Ca9.576 Na0.212 Dy0.212) (P O4)6 (O H)2