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: M236-116, Phase I _database_code_amcsd 0006026 4.8140 4.8140 16.0411 90 90 120 R-3 atom x y z occ Biso CaA 0 0 0 .89 MgB 0 0 .5 .92 .98 CaB 0 0 .5 .08 .98 C 0 0 .2432 O .2520 -.0324 .2440 1.00