Richterite Oberti R, Vannucci R, Zanetti A, Tiepolo M, Brumm R C American Mineralogist 85 (2000) 407-419 A Crystal Chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi values in petrogenetic studies SAMPLE 34 _database_code_amcsd 0002384 9.908 18.062 5.307 90 104.36 90 C2/m atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) O1 .11157 .08668 .21967 .0013 .0008 .0088 -.0002 .0014 -.0008 O2 .11714 .16859 .72307 .0019 .0004 .0053 -.0001 .0009 -.0003 O3 .10562 0 .71098 .54 .0025 .0009 .0047 0 .0010 0 F3 .10562 0 .71098 .02 .0025 .0009 .0047 0 .0010 0 OH3 .10562 0 .71098 .44 .0025 .0009 .0047 0 .0010 0 O4 .36149 .24933 .79818 .0033 .0009 .0112 -.0008 .0019 -.0006 O5 .34745 .12944 .09006 .0030 .0010 .0120 .0002 .0019 .0019 O6 .34335 .11844 .58772 .0021 .0011 .0091 .0001 .0019 -.0012 O7 .33649 0 .29985 .0014 .0005 .0156 0 .0015 0 SiT1 .27977 .08507 .29738 .94 .0013 .0004 .0049 .0000 .0005 .0001 AlT1 .27977 .08507 .29738 .03 .0013 .0004 .0049 .0000 .0005 .0001 TiT1 .27977 .08507 .29738 .03 .0013 .0004 .0049 .0000 .0005 .0001 SiT2 .28709 .17117 .80336 .94 .0016 .0005 .0053 -.0002 .0003 .0004 AlT2 .28709 .17117 .80336 .03 .0016 .0005 .0053 -.0002 .0003 .0004 TiT2 .28709 .17117 .80336 .03 .0016 .0005 .0053 -.0002 .0003 .0004 FeM1 0 .08357 .5 .14 .0023 .0013 .0062 0 .0017 0 TiM1 0 .08357 .5 .18 .0023 .0013 .0062 0 .0017 0 MgM1 0 .08357 .5 .68 .0023 .0013 .0062 0 .0017 0 FeM2 0 .17997 0 .14 .0010 .0005 .0062 0 .0010 0 TiM2 0 .17997 0 .18 .0010 .0005 .0062 0 .0010 0 MgM2 0 .17997 0 .68 .0010 .0005 .0062 0 .0010 0 FeM3 0 0 0 .14 .0020 .0004 .0041 0 0 0 TiM3 0 0 0 .18 .0020 .0004 .0041 0 0 0 MgM3 0 0 0 .68 .0020 .0004 .0041 0 0 0 CaM4 0 .27598 .5 .34 .0040 .0007 .0146 0 .0055 0 NaM4 0 .27598 .5 .66 .0040 .0007 .0146 0 .0055 0 NaA 0 .5 0 .26 .0133 .0030 .0282 0 .0178 0 KA 0 .5 0 .22 .0133 .0030 .0282 0 .0178 0 NaAM .04240 .5 .09737 .26 .0091 .0013 .0183 0 .0086 0 KAM .04240 .5 .09737 .21 .0091 .0013 .0183 0 .0086 0