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 12
_database_code_amcsd 0002362
9.862 18.063 5.319 90 105.06 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    .10656 .08920 .21610             .0024  .0010  .0084 -.0002  .0010 -.0002
O2    .11960 .17386 .73234             .0019  .0008  .0108  .0001  .0008  .0006
O3    .10832      0 .71187 .35         .0023  .0010  .0129      0  .0008      0
F3    .10832      0 .71187 .02         .0023  .0010  .0129      0  .0008      0
Oh3   .10832      0 .71187 .63         .0023  .0010  .0129      0  .0008      0
O4    .36807 .25002 .78748             .0042  .0007  .0119 -.0003  .0016  .0004
O5    .35039 .13935 .10800             .0026  .0011  .0102  .0000  .0012  .0014
O6    .34431 .11663 .60752             .0028  .0013  .0129  .0002  .0011 -.0013
O7    .33955      0 .27843             .0032  .0009  .0182      0  .0015      0
SiT1  .28146 .08569 .30172 .74         .0016  .0004  .0057 -.0001  .0006 -.0001
AlT1  .28146 .08569 .30172 .26         .0016  .0004  .0057 -.0001  .0006 -.0001
SiT2  .29166 .17262 .81122 .74         .0016  .0005  .0056 -.0001  .0006  .0001
AlT2  .29166 .17262 .81122 .26         .0016  .0005  .0056 -.0001  .0006  .0001
AlM1       0 .08744     .5 .13         .0023  .0011  .0054      0  .0014      0
FeM1       0 .08744     .5 .43         .0023  .0011  .0054      0  .0014      0
TiM1       0 .08744     .5 .07         .0023  .0011  .0054      0  .0014      0
MgM1       0 .08744     .5 .37         .0023  .0011  .0054      0  .0014      0
AlM2       0 .17822      0 .13         .0019  .0005  .0069      0  .0011      0
FeM2       0 .17822      0 .43         .0019  .0005  .0069      0  .0011      0
TiM2       0 .17822      0 .07         .0019  .0005  .0069      0  .0011      0
MgM2       0 .17822      0 .37         .0019  .0005  .0069      0  .0011      0
AlM3       0      0      0 .13         .0022  .0004  .0060      0  .0003      0
FeM3       0      0      0 .43         .0022  .0004  .0060      0  .0003      0
TiM3       0      0      0 .07         .0022  .0004  .0060      0  .0003      0
MgM3       0      0      0 .37         .0022  .0004  .0060      0  .0003      0
MgM4       0 .27873     .5 .00         .0031  .0009  .0100      0  .0034      0
FeM4       0 .27873     .5 .15         .0031  .0009  .0100      0  .0034      0
CaM4       0 .27873     .5 .79         .0031  .0009  .0100      0  .0034      0
NaM4       0 .27873     .5 .06         .0031  .0009  .0100      0  .0034      0
NaA        0     .5      0 .25         .0154  .0020  .0391      0  .0229      0
KA         0     .5      0 .08         .0154  .0020  .0391      0  .0229      0
NaAM  .04892     .5 .10030 .25         .0155  .0019  .0440      0  .0198      0
KAM   .04892     .5 .10030 .08         .0155  .0019  .0440      0  .0198      0
NaA2       0 .47165      0 .25         .0067  .0025  .0465      0  .0148      0
KA2        0 .47165      0 .09         .0067  .0025  .0465      0  .0148      0
H     .19030      0 .76353     1.0000
MgM42      0 .25674     .5 .00 1.3619
FeM42      0 .25674     .5 .15 1.3619
CaM42      0 .25674     .5 .79 1.3619
NaM42      0 .25674     .5 .06 1.3619
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