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 air _database_code_amcsd 0004266 4.918 4.918 5.407 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 .4696 0 0 .0077 .0090 .0069 .0065 .0034 -.0002 -.0003 O .4132 .2679 .1191 .0123 .0166 .0123 .0113 .0097 -.0039 -.0036