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 II _database_code_amcsd 0006027 4.8274 4.8274 16.1374 90 90 120 R-3 atom x y z occ Biso CaA 0 0 0 .89 MgB 0 0 .5 .83 .98 CaB 0 0 .5 .17 .98 C 0 0 .2438 O .2505 -.0338 .2451 1.00