Dolomite Drits V A, McCarty D K, Sakharov B, Milliken K L The Canadian Mineralogist 43 (2005) 1255-1290 New insight into structural and compositional variability in some ancient excess-Ca dolomite Locality: Lea County, New Mexico, USA Sample: M236-098, Phase I _database_code_amcsd 0006028 4.8141 4.8141 16.0392 90 90 120 R-3 atom x y z occ Biso CaA 0 0 0 .84 MgB 0 0 .5 .93 .84 CaB 0 0 .5 .07 .84 C 0 0 .2436 O .2517 -.0327 .2434 .93