Clinohumite 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: Chum HV-41 n.3 _database_code_amcsd 0002338 4.7396 10.2328 13.6439 100.843 90 90 P2_1/b atom x y z occ Biso Si1 .07341 .06624 .38934 .32 Si2 .07655 .17672 .83514 .31 Mg1A .5 0 .5 .51 Mg1B .49760 .94628 .27423 .5 Mg25 .00935 .14043 .17024 .5 Mg26 .50894 .25023 .38823 .49 Mg3 .49291 .87778 .04305 .52 O11 .73319 .06451 .38810 .38 O12 .27818 .41946 .38781 .42 O13 .22349 .11244 .29321 .43 O14 .22232 .15885 .48631 .44 O21 .23585 .32291 .16289 .40 O22 .77862 .96886 .16249 .43 O23 .72435 .27998 .26271 .42 O24 .72776 .22658 .07007 .45 F5 .26193 .04644 .05568 .52 .67 O5 .26193 .04644 .05568 .48 .67 H .084 .001 .021 .46 4.35