Chondrodite Ottolini L, Camara F, Bigi S American Mineralogist 85 (2000) 89-102 An investigation of matrix effects in the analysis of fluorine in humite-group minerals by EMPA, SIMS, and SREF Sample: Chond HV-43 n.4 _database_code_amcsd 0002340 4.7226 10.2564 7.8490 109.076 90 90 P2_1/b atom x y z occ Biso Si .07642 .14413 .70375 .37 Mg1 .5 0 .5 .51 Mg2 .00936 .17352 .30652 .5 Mg3 .49218 .88645 .07939 .5 O1 .77749 .00158 .29381 .48 O2 .72730 .24078 .12569 .45 O3 .22456 .16834 .52795 .45 O4 .26413 .85492 .29496 .42 F .26252 .05756 .10064 .62 .73 O5 .26252 .05756 .10064 .38 .73 H .100 .016 .023 .38 .41