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