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 24 _database_code_amcsd 0002374 10.022 18.075 5.300 90 104.77 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 .11043 .08715 .22008 .0016 .0005 .0066 .0000 .0011 -.0001 O2 .11769 .16946 .72398 .0018 .0007 .0069 .0000 .0015 -.0001 O3 .10564 0 .71239 .40 .0018 .0010 .0071 0 .0013 0 OH3 .10564 0 .71239 .60 .0018 .0010 .0071 0 .0013 0 O4 .36103 .24809 .79932 .0034 .0008 .0097 -.0006 .0011 -.0002 O5 .34330 .12924 .09349 .0021 .0009 .0103 .0000 .0018 .0011 O6 .34074 .11786 .59114 .0022 .0010 .0070 .0001 .0003 -.0011 O7 .33206 0 .30411 .0020 .0005 .0119 0 .0010 0 SiT1 .27632 .08517 .30071 .93 .0012 .0004 .0050 0 .0008 0 AlT1 .27632 .08517 .30071 .04 .0012 .0004 .0050 0 .0008 0 TiT1 .27632 .08517 .30071 .03 .0012 .0004 .0050 0 .0008 0 SiT2 .28490 .17145 .80547 .93 .0012 .0004 .0050 -.0002 .0003 .0001 AlT2 .28490 .17145 .80547 .04 .0012 .0004 .0050 -.0002 .0003 .0001 TiT2 .28490 .17145 .80547 .03 .0012 .0004 .0050 -.0002 .0003 .0001 FeM1 0 .08556 .5 .20 .0017 .0011 .0053 0 .0013 0 TiM1 0 .08556 .5 .12 .0017 .0011 .0053 0 .0013 0 MgM1 0 .08556 .5 .68 .0017 .0011 .0053 0 .0013 0 FeM2 0 .18052 0 .20 .0018 .0005 .0067 0 .0011 0 TiM2 0 .18052 0 .12 .0018 .0005 .0067 0 .0011 0 MgM2 0 .18052 0 .68 .0018 .0005 .0067 0 .0011 0 FeM3 0 0 0 .20 .0021 .0004 .0041 0 .0006 0 TiM3 0 0 0 .12 .0021 .0004 .0041 0 .0006 0 MgM3 0 0 0 .68 .0021 .0004 .0041 0 .0006 0 CaM4 0 .27711 .5 .45 .0038 .0007 .0136 0 .0045 0 NaM4 0 .27711 .5 .55 .0038 .0007 .0136 0 .0045 0 NaA 0 .5 0 .04 .0041 .0015 .0058 0 .0023 0 KA 0 .5 0 .43 .0041 .0015 .0058 0 .0023 0 NaAM .03424 .5 .07619 .04 .0049 .0011 .0143 0 .0060 0 KAM .03424 .5 .07619 .43 .0049 .0011 .0143 0 .0060 0