Quartz
Ikuta D, Kawame N, Banno S, Hirajima T, Ito K, Rakovan J F, Downs R T, Tamada O
American Mineralogist 92 (2007) 57-63
First in situ X-ray diffraction identification of coesite and retrograde quartz on a glass
thin section of an ultrahigh-pressure metamorphic rock and their crystal structure details
Locality: Oomine granite, Tenkawa-mura, Nara, Southwest Japan
Sample: in a thin section
_database_code_amcsd 0004267
4.917 4.917 5.410 90 90 120 *P3_221
0 0 .6666666666666666667
atom     x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Si   .4702     0     0 .0096  .0096  .0086  .0099  .0043 -.0001 -.0002
O    .4137 .2672 .1194 .0135  .0170  .0127  .0144  .0098 -.0019 -.0043