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 29 _database_code_amcsd 0002379 10.039 18.068 5.298 90 104.81 90 C2/m atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) O1 .10999 .08696 .21937 .0013 .0005 .0041 -.0001 .0003 -.0001 O2 .11772 .17023 .72475 .0016 .0007 .0068 .0000 .0011 -.0002 O3 .10602 0 .71355 .28 .0018 .0008 .0080 0 .0011 0 Oh3 .10602 0 .71355 .72 .0018 .0008 .0080 0 .0011 0 O4 .36167 .24806 .79769 .0036 .0007 .0081 -.0005 .0014 -.0001 O5 .34327 .12983 .09611 .0021 .0008 .0095 .0002 .0022 .0011 O6 .34014 .11726 .59290 .0022 .0010 .0072 .0001 .0002 -.0012 O7 .33193 0 .30365 .0022 .0005 .0118 0 .0013 0 SiT1 .27532 .08519 .30053 .94 .0012 .0004 .0044 -.0001 .0006 -.0001 AlT1 .27532 .08519 .30053 .03 .0012 .0004 .0044 -.0001 .0006 -.0001 TiT1 .27532 .08519 .30053 .03 .0012 .0004 .0044 -.0001 .0006 -.0001 SiT2 .28475 .17173 .80625 .94 .0012 .0004 .0050 -.0002 .0004 .0001 AlT2 .28475 .17173 .80625 .03 .0012 .0004 .0050 -.0002 .0004 .0001 TiT2 .28475 .17173 .80625 .03 .0012 .0004 .0050 -.0002 .0004 .0001 FeM1 0 .08675 .5 .00 .0016 .0011 .0045 0 .0011 0 TiM1 0 .08675 .5 .09 .0016 .0011 .0045 0 .0011 0 MgM1 0 .08675 .5 .81 .0016 .0011 .0045 0 .0011 0 FeM2 0 .17994 0 .00 .0019 .0004 .0062 0 .0011 0 TiM2 0 .17994 0 .09 .0019 .0004 .0062 0 .0011 0 MgM2 0 .17994 0 .81 .0019 .0004 .0062 0 .0011 0 FeM3 0 0 0 .00 .0018 .0003 .0045 0 .0007 0 TiM3 0 0 0 .09 .0018 .0003 .0045 0 .0007 0 MgM3 0 0 0 .81 .0018 .0003 .0045 0 .0007 0 CaM4 0 .27748 .5 .50 .0034 .0007 .0113 0 .0038 0 NaM4 0 .27748 .5 .50 .0034 .0007 .0113 0 .0038 0 NaA 0 .5 0 .03 .0051 .0030 .0340 0 .0084 0 KA 0 .5 0 .43 .0051 .0030 .0340 0 .0084 0 NaAM .02795 .5 .05721 .03 .0077 .0006 .0311 0 .0135 0 KAM .02795 .5 .05721 .43 .0077 .0006 .0311 0 .0135 0 H .20936 0 .76850 1.0000