American Mineralogist Crystal Structure Database

1 matching records for this search.

Pargasite
Download hom/pargasite.pdf
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 8
_database_code_amcsd 0002358
9.853 18.060 5.314 90 105.07 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    .10689 .08862 .21697             .0022  .0010  .0082 -.0002  .0009 -.0002
O2    .11962 .17324 .73142             .0018  .0008  .0097  .0001  .0003  .0005
O3    .10880      0 .71210 .48         .0022  .0011  .0119      0  .0004      0
F3    .10880      0 .71210 .02         .0022  .0011  .0119      0  .0004      0
Oh3   .10880      0 .71210 .50         .0022  .0011  .0119      0  .0004      0
O4    .36755 .25002 .78775             .0040  .0007  .0102 -.0003  .0015  .0003
O5    .35031 .13919 .10787             .0023  .0011  .0106 -.0001  .0006  .0012
O6    .34491 .11703 .60693             .0026  .0012  .0113  .0002  .0009 -.0013
O7    .34012      0 .27921             .0034  .0009  .0171      0  .0010      0
SiT1  .28177 .08558 .30185 .74         .0014  .0004  .0055 -.0001  .0003 -.0001
AlT1  .28177 .08558 .30185 .26         .0014  .0004  .0055 -.0001  .0003 -.0001
SiT2  .29146 .17254 .81068 .74         .0015  .0005  .0054 -.0001  .0005  .0001
AlT2  .29146 .17254 .81068 .26         .0015  .0005  .0054 -.0001  .0005  .0001
AlM1       0 .08687     .5 .13         .0022  .0011  .0061      0  .0013      0
FeM1       0 .08687     .5 .37         .0022  .0011  .0061      0  .0013      0
TiM1       0 .08687     .5 .11         .0022  .0011  .0061      0  .0013      0
MgM1       0 .08687     .5 .39         .0022  .0011  .0061      0  .0013      0
AlM2       0 .17816      0 .13         .0017  .0004  .0058      0  .0007      0
FeM2       0 .17816      0 .37         .0017  .0004  .0058      0  .0007      0
TiM2       0 .17816      0 .11         .0017  .0004  .0058      0  .0007      0
MgM2       0 .17816      0 .39         .0017  .0004  .0058      0  .0007      0
AlM3       0      0      0 .13         .0023  .0004  .0054      0  .0001      0
FeM3       0      0      0 .37         .0023  .0004  .0054      0  .0001      0
TiM3       0      0      0 .11         .0023  .0004  .0054      0  .0001      0
MgM3       0      0      0 .39         .0023  .0004  .0054      0  .0001      0
MgM4       0 .27929     .5 .04         .0029  .0006  .0099      0  .0031      0
FeM4       0 .27929     .5 .12         .0029  .0006  .0099      0  .0031      0
CaM4       0 .27929     .5 .79         .0029  .0006  .0099      0  .0031      0
NaM4       0 .27929     .5 .05         .0029  .0006  .0099      0  .0031      0
NaA        0     .5      0 .26         .0095  .0005  .0391      0  .0192      0
KA         0     .5      0 .77         .0095  .0005  .0391      0  .0192      0
NaAM  .05351     .5 .10405 .26         .0131  .0015  .0360      0  .0141      0
KAM   .05351     .5 .10405 .77         .0131  .0015  .0360      0  .0141      0
NaA2       0 .47348      0 .26         .0118  .0019  .0594      0  .0204      0
KA2        0 .47348      0 .77         .0118  .0019  .0594      0  .0204      0
H     .20647      0 .75928     1.0000
MgM42      0 .26032     .5 .04 1.1776
FeM42      0 .26032     .5 .12 1.1776
CaM42      0 .26032     .5 .79 1.1776
NaM42      0 .26032     .5 .05 1.1776
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