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 2
_database_code_amcsd 0002352
9.858 18.031 5.307 90 105.13 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    .10687 .08869  .21674             .0019  .0011  .0095 -.0003  .0006 -.0001
O2    .11912 .17327  .73099             .0023  .0008  .0093  .0001  .0004  .0005
O3    .10844      0  .71159 .51         .0024  .0013  .0111      0  .0005      0
Oh3   .10844      0  .71159 .49         .0024  .0013  .0111      0  .0005      0
O4    .36749 .25016  .78758             .0040  .0007  .0118 -.0003  .0018  .0003
O5    .35022 .13943  .10833             .0025  .0010  .0100  .0000  .0009  .0010
O6    .34489 .11727  .60653             .0027  .0012  .0125  .0002  .0010 -.0014
O7    .33947      0  .28155             .0036  .0009  .0184      0  .0018      0
SiT1  .28183 .08569  .30211 .74         .0015  .0004  .0057 -.0002  .0004 -.0001
AlT1  .28183 .08569  .30211 .26         .0015  .0004  .0057 -.0002  .0004 -.0001
SiT2  .29141 .17270  .81088 .74         .0016  .0005  .0053 -.0001  .0006  .0001
AlT2  .29141 .17270  .81088 .26         .0016  .0005  .0053 -.0001  .0006  .0001
AlM1       0 .08636      .5 .14         .0024  .0012  .0060      0  .0016      0
TiM1       0 .08636      .5 .12         .0024  .0012  .0060      0  .0016      0
FeM1       0 .08636      .5 .34         .0024  .0012  .0060      0  .0016      0
MgM1       0 .08636      .5 .40         .0024  .0012  .0060      0  .0016      0
AlM2       0 .17799       0 .14         .0017  .0004  .0062      0  .0008      0
TiM2       0 .17799       0 .12         .0017  .0004  .0062      0  .0008      0
FeM2       0 .17799       0 .34         .0017  .0004  .0062      0  .0008      0
MgM2       0 .17799       0 .40         .0017  .0004  .0062      0  .0008      0
AlM3       0      0       0 .14         .0024  .0004  .0055      0  .0004      0
TiM3       0      0       0 .12         .0024  .0004  .0055      0  .0004      0
FeM3       0      0       0 .34         .0024  .0004  .0055      0  .0004      0
MgM3       0      0       0 .40         .0024  .0004  .0055      0  .0004      0
MgM4       0 .27898      .5 .04         .0030  .0006  .0097      0  .0031      0
FeM4       0 .27898      .5 .14         .0030  .0006  .0097      0  .0031      0
CaM4       0 .27898      .5 .80         .0030  .0006  .0097      0  .0031      0
NaM4       0 .27898      .5 .02         .0030  .0006  .0097      0  .0031      0
NaA        0     .5       0 .23         .0101  .0011  .0448      0  .0205      0
KA         0     .5       0 .10         .0101  .0011  .0448      0  .0205      0
NaAM  .05191     .5  .09947 .23         .0126  .0017  .0389      0  .0155      0
KAM   .05191     .5  .09947 .10         .0126  .0017  .0389      0  .0155      0
NaA2       0 .47320       0 .24         .0089  .0017  .0490      0  .0154      0
KA2        0 .47320       0 .10         .0089  .0017  .0490      0  .0154      0
H     .19476      0  .76271     1.0000
MgM42      0 .25883      .5 .04 1.5183
FeM42      0 .25883      .5 .14 1.5183
CaM42      0 .25883      .5 .80 1.5183
NaM42      0 .25883      .5 .02 1.5183
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