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: Yangkou meta-igneous complex in the middle part of the Sulu UHP terrain, eastern China
Note: Sample is on a thin section
_database_code_amcsd 0004265
4.923 4.923 5.409 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   .468    0    0 .022   .026   .014   .023   .007  -.004  -.008
O    .414 .264 .121 .028   .033   .023   .030   .015   .004  -.008