Roedderite Alietti E, Brigatti M F, Capedri S, Poppi L Mineralogical Magazine 58 (1994) 655-662 The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Locality: Cancarix, Albacete province, Spain _database_code_amcsd 0014513 10.135 10.135 14.320 90 90 120 P6/mcc atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) KC 0 0 .25 .80 1.64 .005030 .005030 .002194 .002531 0 0 NaC 0 0 .25 .20 1.64 .005030 .005030 .002194 .002531 0 0 NaB 1/3 2/3 -.0188 .10 1.0 MgA 1/3 2/3 .25 .86 .84 .002596 .002596 .001134 .001298 0 0 Fe3+A 1/3 2/3 .25 .14 .84 .002596 .002596 .001134 .001298 0 0 MgT2 .5 .5 .25 .86 .83 .001915 .005062 .000805 .002531 0 0 Fe3+T2 .5 .5 .25 .14 .83 .001915 .005062 .000805 .002531 0 0 SiT1 .23807 .35288 .39065 .80 .002726 .002986 .000878 .001590 .000099 .000139 O1 .1299 .3943 0 1.66 .007302 .005874 .001097 .003245 0 0 O2 .2197 .2777 .13325 1.50 .005062 .005744 .001902 .003602 .000080 .000099 O3 .1552 .4967 .17230 1.10 .003375 .003667 .001341 .001720 -.000159 -.000358