Gillespite Hazen R M, Finger L W American Mineralogist 68 (1983) 595-603 High-pressure and high-temperature crystallographic study of the gillespite I-II phase transition P = 9 kbar Locality: Fresno Co, California, USA _database_code_amcsd 0000898 7.492 7.492 15.943 90 90 90 *P4/ncc .25 -.25 0 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ba .25 .75 0 0.0060 0.0060 0.0017 0 0 0 Fe .25 .25 .0908 0.0032 0.0032 0.0014 0 0 0 Si .5195 .9365 .1550 0.0029 0.0029 0.0023 -.0005 0.0001 -.0003 O1 .4726 .9726 .25 0.015 0.015 0.007 0.001 0.005 -.005 O2 .7232 .9978 .1358 0.0030 0.0099 0.0042 -.0009 -.0005 0.0016 O3 .3907 .0292 .0926 0.0085 0.0060 0.0001 0.0009 -.0023 0.0007