Pargasite 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 20 _database_code_amcsd 0002370 9.919 18.080 5.313 90 105.26 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 .10718 .08752 .21812 .0020 .0008 .0073 -.0002 .0007 -.0001 O2 .11968 .17295 .72901 .0019 .0007 .0078 .0000 .0005 .0004 O3 .10822 0 .71412 .38 .0021 .0009 .0108 0 .0007 0 Oh3 .10822 0 .71412 .62 .0021 .0009 .0108 0 .0007 0 O4 .36643 .24930 .78772 .0035 .0007 .0100 -.0004 .0018 .0002 O5 .34879 .13904 .10970 .0023 .0010 .0093 .0000 .0005 .0011 O6 .34432 .11611 .60852 .0024 .0011 .0109 .0002 .0010 -.0012 O7 .33878 0 .28034 .0031 .0009 .0166 0 .0011 0 SiT1 .28040 .08531 .30291 .75 .0014 .0004 .0047 -.0001 .0004 -.0001 AlT1 .28040 .08531 .30291 .25 .0014 .0004 .0047 -.0001 .0004 -.0001 SiT2 .29033 .17242 .81090 .75 .0014 .0004 .0046 -.0001 .0006 .0001 AlT2 .29033 .17242 .81090 .25 .0014 .0004 .0046 -.0001 .0006 .0001 AlM1 0 .08761 .5 .08 .0024 .0009 .0058 0 .0016 0 FeM1 0 .08761 .5 .28 .0024 .0009 .0058 0 .0016 0 TiM1 0 .08761 .5 .09 .0024 .0009 .0058 0 .0016 0 MgM1 0 .08761 .5 .55 .0024 .0009 .0058 0 .0016 0 AlM2 0 .17773 0 .08 .0017 .0004 .0052 0 .0009 0 FeM2 0 .17773 0 .28 .0017 .0004 .0052 0 .0009 0 TiM2 0 .17773 0 .09 .0017 .0004 .0052 0 .0009 0 MgM2 0 .17773 0 .55 .0017 .0004 .0052 0 .0009 0 AlM3 0 0 0 .08 .0021 .0004 .0054 0 .0002 0 FeM3 0 0 0 .28 .0021 .0004 .0054 0 .0002 0 TiM3 0 0 0 .09 .0021 .0004 .0054 0 .0002 0 MgM3 0 0 0 .55 .0021 .0004 .0054 0 .0002 0 MgM4 0 .27911 .5 .04 .0028 .0006 .0085 0 .0029 0 FeM4 0 .27911 .5 .06 .0028 .0006 .0085 0 .0029 0 CaM4 0 .27911 .5 .89 .0028 .0006 .0085 0 .0029 0 NaM4 0 .27911 .5 .01 .0028 .0006 .0085 0 .0029 0 NaA 0 .5 0 .22 .0062 .0023 .0251 0 .0110 0 KA 0 .5 0 .12 .0062 .0023 .0251 0 .0110 0 NaAM .03490 .5 .07303 .22 .0182 .0018 .0556 0 .0257 0 KAM .03490 .5 .07303 .11 .0182 .0018 .0556 0 .0257 0 NaA2 0 .46921 0 .22 .0057 .0012 .0391 0 .0118 0 KA2 0 .46921 0 .11 .0057 .0012 .0391 0 .0118 0 H .19581 0 .76144 1.0000 MgM42 0 .25656 .5 .04 1.1665 FeM42 0 .25656 .5 .06 1.1665 CaM42 0 .25656 .5 .89 1.1665 NaM42 0 .25656 .5 .01 1.1665