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 30 _database_code_amcsd 0002380 10.031 18.096 5.299 90 104.72 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 .11020 .08753 .21918 .0012 .0006 .0096 -.0002 .0022 .0000 O2 .11821 .16972 .72407 .0017 .0008 .0041 .0001 0 -.0003 O3 .10568 0 .71243 .40 .0024 .0011 .0024 0 -.0002 0 F3 .10568 0 .71243 .01 .0024 .0011 .0024 0 -.0002 0 OH3 .10568 0 .71243 .59 .0024 .0011 .0024 0 -.0002 0 O4 .36175 .24737 .79964 .0036 .0008 .0109 -.0005 .0030 -.0003 O5 .34354 .12883 .09260 .0020 .0008 .0102 .0001 .0017 .0009 O6 .34110 .11792 .59096 .0025 .0010 .0066 .0000 .0001 -.0011 O7 .33099 0 .30392 .0016 .0004 .0104 0 .0007 0 SiT1 .27612 .08507 .29960 .97 .0013 .0004 .0058 -.0001 .0010 .0000 AlT1 .27612 .08507 .29960 .01 .0013 .0004 .0058 -.0001 .0010 .0000 TiT1 .27612 .08507 .29960 .02 .0013 .0004 .0058 -.0001 .0010 .0000 SiT2 .28496 .17119 .80447 .97 .0016 .0004 .0048 -.0001 .0005 .0000 AlT2 .28496 .17119 .80447 .01 .0016 .0004 .0048 -.0001 .0005 .0000 TiT2 .28496 .17119 .80447 .02 .0016 .0004 .0048 -.0001 .0005 .0000 FeM1 0 .08597 .5 .31 .0016 .0011 .0047 0 .0017 0 TiM1 0 .08597 .5 .11 .0016 .0011 .0047 0 .0017 0 MgM1 0 .08597 .5 .58 .0016 .0011 .0047 0 .0017 0 FeM2 0 .18074 0 .31 .0017 .0005 .0073 0 .0007 0 TiM2 0 .18074 0 .11 .0017 .0005 .0073 0 .0007 0 MgM2 0 .18074 0 .58 .0017 .0005 .0073 0 .0007 0 FeM3 0 0 0 .31 .0021 .0003 .0034 0 .0003 0 TiM3 0 0 0 .11 .0021 .0003 .0034 0 .0003 0 MgM3 0 0 0 .58 .0021 .0003 .0034 0 .0003 0 CaM4 0 .27695 .5 .42 .0038 .0006 .0137 0 .0044 0 NaM4 0 .27695 .5 .58 .0038 .0006 .0137 0 .0044 0 NaA 0 .5 0 .04 .0010 .0015 .0066 0 -.0008 0 KA 0 .5 0 .43 .0010 .0015 .0066 0 -.0008 0 NaAM .03536 .5 .07673 .04 .0041 .0010 .0137 0 .0053 0 KAM .03536 .5 .07673 .43 .0041 .0010 .0137 0 .0053 0